Diseases of the skin and subcutaneous tissue
ICD-10-CM Chapter 12 (L00-L99) in the FY2026 code set. 423 codes in this chapter map to a CMS-HCC V28 payment category, across 7 HCC categories.
CMS-HCC V28 categories in this chapter (7)
Open any category for its full member-code list, RAF, and hierarchy.
- HCC 383 Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle152
- HCC 380 Chronic Ulcer of Skin, Except Pressure, Through to Bone or Muscle152
- HCC 381 Pressure Ulcer of Skin with Full Thickness Skin Loss50
- HCC 382 Pressure Ulcer of Skin with Partial Thickness Skin Loss25
- HCC 379 Pressure Ulcer of Skin with Necrosis Through to Muscle, Tendon, or Bone25
- HCC 387 Pemphigus, Pemphigoid, and Other Specified Autoimmune Skin Disorders13
- HCC 93 Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders6
Risk-adjusting ICD-10-CM codes (showing 300 of 423)
Codes in this chapter that map to a CMS-HCC V28 payment category. Open any code for its full detail.
- L10.0Pemphigus vulgaris
- L10.1Pemphigus vegetans
- L10.2Pemphigus foliaceous
- L10.3Brazilian pemphigus [fogo selvagem]
- L10.4Pemphigus erythematosus
- L10.81Paraneoplastic pemphigus
- L10.89Other pemphigus
- L10.9Pemphigus, unspecified
- L12.0Bullous pemphigoid
- L12.1Cicatricial pemphigoid
- L12.8Other pemphigoid
- L12.9Pemphigoid, unspecified
- L40.50Arthropathic psoriasis, unspecified
- L40.51Distal interphalangeal psoriatic arthropathy
- L40.52Psoriatic arthritis mutilans
- L40.53Psoriatic spondylitis
- L40.54Psoriatic juvenile arthropathy
- L40.59Other psoriatic arthropathy
- L88Pyoderma gangrenosum
- L89.000Pressure ulcer of unspecified elbow, unstageable
- L89.002Pressure ulcer of unspecified elbow, stage 2
- L89.003Pressure ulcer of unspecified elbow, stage 3
- L89.004Pressure ulcer of unspecified elbow, stage 4
- L89.010Pressure ulcer of right elbow, unstageable
- L89.012Pressure ulcer of right elbow, stage 2
- L89.013Pressure ulcer of right elbow, stage 3
- L89.014Pressure ulcer of right elbow, stage 4
- L89.020Pressure ulcer of left elbow, unstageable
- L89.022Pressure ulcer of left elbow, stage 2
- L89.023Pressure ulcer of left elbow, stage 3
- L89.024Pressure ulcer of left elbow, stage 4
- L89.100Pressure ulcer of unspecified part of back, unstageable
- L89.102Pressure ulcer of unspecified part of back, stage 2
- L89.103Pressure ulcer of unspecified part of back, stage 3
- L89.104Pressure ulcer of unspecified part of back, stage 4
- L89.110Pressure ulcer of right upper back, unstageable
- L89.112Pressure ulcer of right upper back, stage 2
- L89.113Pressure ulcer of right upper back, stage 3
- L89.114Pressure ulcer of right upper back, stage 4
- L89.120Pressure ulcer of left upper back, unstageable
- L89.122Pressure ulcer of left upper back, stage 2
- L89.123Pressure ulcer of left upper back, stage 3
- L89.124Pressure ulcer of left upper back, stage 4
- L89.130Pressure ulcer of right lower back, unstageable
- L89.132Pressure ulcer of right lower back, stage 2
- L89.133Pressure ulcer of right lower back, stage 3
- L89.134Pressure ulcer of right lower back, stage 4
- L89.140Pressure ulcer of left lower back, unstageable
- L89.142Pressure ulcer of left lower back, stage 2
- L89.143Pressure ulcer of left lower back, stage 3
- L89.144Pressure ulcer of left lower back, stage 4
- L89.150Pressure ulcer of sacral region, unstageable
- L89.152Pressure ulcer of sacral region, stage 2
- L89.153Pressure ulcer of sacral region, stage 3
- L89.154Pressure ulcer of sacral region, stage 4
- L89.200Pressure ulcer of unspecified hip, unstageable
- L89.202Pressure ulcer of unspecified hip, stage 2
- L89.203Pressure ulcer of unspecified hip, stage 3
- L89.204Pressure ulcer of unspecified hip, stage 4
- L89.210Pressure ulcer of right hip, unstageable
- L89.212Pressure ulcer of right hip, stage 2
- L89.213Pressure ulcer of right hip, stage 3
- L89.214Pressure ulcer of right hip, stage 4
- L89.220Pressure ulcer of left hip, unstageable
- L89.222Pressure ulcer of left hip, stage 2
- L89.223Pressure ulcer of left hip, stage 3
- L89.224Pressure ulcer of left hip, stage 4
- L89.300Pressure ulcer of unspecified buttock, unstageable
- L89.302Pressure ulcer of unspecified buttock, stage 2
- L89.303Pressure ulcer of unspecified buttock, stage 3
- L89.304Pressure ulcer of unspecified buttock, stage 4
- L89.310Pressure ulcer of right buttock, unstageable
- L89.312Pressure ulcer of right buttock, stage 2
- L89.313Pressure ulcer of right buttock, stage 3
- L89.314Pressure ulcer of right buttock, stage 4
- L89.320Pressure ulcer of left buttock, unstageable
- L89.322Pressure ulcer of left buttock, stage 2
- L89.323Pressure ulcer of left buttock, stage 3
- L89.324Pressure ulcer of left buttock, stage 4
- L89.42Pressure ulcer of contiguous site of back, buttock and hip, stage 2
- L89.43Pressure ulcer of contiguous site of back, buttock and hip, stage 3
- L89.44Pressure ulcer of contiguous site of back, buttock and hip, stage 4
- L89.45Pressure ulcer of contiguous site of back, buttock and hip, unstageable
- L89.500Pressure ulcer of unspecified ankle, unstageable
- L89.502Pressure ulcer of unspecified ankle, stage 2
- L89.503Pressure ulcer of unspecified ankle, stage 3
- L89.504Pressure ulcer of unspecified ankle, stage 4
- L89.510Pressure ulcer of right ankle, unstageable
- L89.512Pressure ulcer of right ankle, stage 2
- L89.513Pressure ulcer of right ankle, stage 3
- L89.514Pressure ulcer of right ankle, stage 4
- L89.520Pressure ulcer of left ankle, unstageable
- L89.522Pressure ulcer of left ankle, stage 2
- L89.523Pressure ulcer of left ankle, stage 3
- L89.524Pressure ulcer of left ankle, stage 4
- L89.600Pressure ulcer of unspecified heel, unstageable
- L89.602Pressure ulcer of unspecified heel, stage 2
- L89.603Pressure ulcer of unspecified heel, stage 3
- L89.604Pressure ulcer of unspecified heel, stage 4
- L89.610Pressure ulcer of right heel, unstageable
- L89.612Pressure ulcer of right heel, stage 2
- L89.613Pressure ulcer of right heel, stage 3
- L89.614Pressure ulcer of right heel, stage 4
- L89.620Pressure ulcer of left heel, unstageable
- L89.622Pressure ulcer of left heel, stage 2
- L89.623Pressure ulcer of left heel, stage 3
- L89.624Pressure ulcer of left heel, stage 4
- L89.810Pressure ulcer of head, unstageable
- L89.812Pressure ulcer of head, stage 2
- L89.813Pressure ulcer of head, stage 3
- L89.814Pressure ulcer of head, stage 4
- L89.890Pressure ulcer of other site, unstageable
- L89.892Pressure ulcer of other site, stage 2
- L89.893Pressure ulcer of other site, stage 3
- L89.894Pressure ulcer of other site, stage 4
- L89.92Pressure ulcer of unspecified site, stage 2
- L89.93Pressure ulcer of unspecified site, stage 3
- L89.94Pressure ulcer of unspecified site, stage 4
- L89.95Pressure ulcer of unspecified site, unstageable
- L97.101Non-pressure chronic ulcer of unspecified thigh limited to breakdown of skin
- L97.102Non-pressure chronic ulcer of unspecified thigh with fat layer exposed
- L97.103Non-pressure chronic ulcer of unspecified thigh with necrosis of muscle
- L97.104Non-pressure chronic ulcer of unspecified thigh with necrosis of bone
- L97.105Non-pressure chronic ulcer of unspecified thigh with muscle involvement without evidence of necrosis
- L97.106Non-pressure chronic ulcer of unspecified thigh with bone involvement without evidence of necrosis
- L97.108Non-pressure chronic ulcer of unspecified thigh with other specified severity
- L97.109Non-pressure chronic ulcer of unspecified thigh with unspecified severity
- L97.111Non-pressure chronic ulcer of right thigh limited to breakdown of skin
- L97.112Non-pressure chronic ulcer of right thigh with fat layer exposed
- L97.113Non-pressure chronic ulcer of right thigh with necrosis of muscle
- L97.114Non-pressure chronic ulcer of right thigh with necrosis of bone
- L97.115Non-pressure chronic ulcer of right thigh with muscle involvement without evidence of necrosis
- L97.116Non-pressure chronic ulcer of right thigh with bone involvement without evidence of necrosis
- L97.118Non-pressure chronic ulcer of right thigh with other specified severity
- L97.119Non-pressure chronic ulcer of right thigh with unspecified severity
- L97.121Non-pressure chronic ulcer of left thigh limited to breakdown of skin
- L97.122Non-pressure chronic ulcer of left thigh with fat layer exposed
- L97.123Non-pressure chronic ulcer of left thigh with necrosis of muscle
- L97.124Non-pressure chronic ulcer of left thigh with necrosis of bone
- L97.125Non-pressure chronic ulcer of left thigh with muscle involvement without evidence of necrosis
- L97.126Non-pressure chronic ulcer of left thigh with bone involvement without evidence of necrosis
- L97.128Non-pressure chronic ulcer of left thigh with other specified severity
- L97.129Non-pressure chronic ulcer of left thigh with unspecified severity
- L97.201Non-pressure chronic ulcer of unspecified calf limited to breakdown of skin
- L97.202Non-pressure chronic ulcer of unspecified calf with fat layer exposed
- L97.203Non-pressure chronic ulcer of unspecified calf with necrosis of muscle
- L97.204Non-pressure chronic ulcer of unspecified calf with necrosis of bone
- L97.205Non-pressure chronic ulcer of unspecified calf with muscle involvement without evidence of necrosis
- L97.206Non-pressure chronic ulcer of unspecified calf with bone involvement without evidence of necrosis
- L97.208Non-pressure chronic ulcer of unspecified calf with other specified severity
- L97.209Non-pressure chronic ulcer of unspecified calf with unspecified severity
- L97.211Non-pressure chronic ulcer of right calf limited to breakdown of skin
- L97.212Non-pressure chronic ulcer of right calf with fat layer exposed
- L97.213Non-pressure chronic ulcer of right calf with necrosis of muscle
- L97.214Non-pressure chronic ulcer of right calf with necrosis of bone
- L97.215Non-pressure chronic ulcer of right calf with muscle involvement without evidence of necrosis
- L97.216Non-pressure chronic ulcer of right calf with bone involvement without evidence of necrosis
- L97.218Non-pressure chronic ulcer of right calf with other specified severity
- L97.219Non-pressure chronic ulcer of right calf with unspecified severity
- L97.221Non-pressure chronic ulcer of left calf limited to breakdown of skin
- L97.222Non-pressure chronic ulcer of left calf with fat layer exposed
- L97.223Non-pressure chronic ulcer of left calf with necrosis of muscle
- L97.224Non-pressure chronic ulcer of left calf with necrosis of bone
- L97.225Non-pressure chronic ulcer of left calf with muscle involvement without evidence of necrosis
- L97.226Non-pressure chronic ulcer of left calf with bone involvement without evidence of necrosis
- L97.228Non-pressure chronic ulcer of left calf with other specified severity
- L97.229Non-pressure chronic ulcer of left calf with unspecified severity
- L97.301Non-pressure chronic ulcer of unspecified ankle limited to breakdown of skin
- L97.302Non-pressure chronic ulcer of unspecified ankle with fat layer exposed
- L97.303Non-pressure chronic ulcer of unspecified ankle with necrosis of muscle
- L97.304Non-pressure chronic ulcer of unspecified ankle with necrosis of bone
- L97.305Non-pressure chronic ulcer of unspecified ankle with muscle involvement without evidence of necrosis
- L97.306Non-pressure chronic ulcer of unspecified ankle with bone involvement without evidence of necrosis
- L97.308Non-pressure chronic ulcer of unspecified ankle with other specified severity
- L97.309Non-pressure chronic ulcer of unspecified ankle with unspecified severity
- L97.311Non-pressure chronic ulcer of right ankle limited to breakdown of skin
- L97.312Non-pressure chronic ulcer of right ankle with fat layer exposed
- L97.313Non-pressure chronic ulcer of right ankle with necrosis of muscle
- L97.314Non-pressure chronic ulcer of right ankle with necrosis of bone
- L97.315Non-pressure chronic ulcer of right ankle with muscle involvement without evidence of necrosis
- L97.316Non-pressure chronic ulcer of right ankle with bone involvement without evidence of necrosis
- L97.318Non-pressure chronic ulcer of right ankle with other specified severity
- L97.319Non-pressure chronic ulcer of right ankle with unspecified severity
- L97.321Non-pressure chronic ulcer of left ankle limited to breakdown of skin
- L97.322Non-pressure chronic ulcer of left ankle with fat layer exposed
- L97.323Non-pressure chronic ulcer of left ankle with necrosis of muscle
- L97.324Non-pressure chronic ulcer of left ankle with necrosis of bone
- L97.325Non-pressure chronic ulcer of left ankle with muscle involvement without evidence of necrosis
- L97.326Non-pressure chronic ulcer of left ankle with bone involvement without evidence of necrosis
- L97.328Non-pressure chronic ulcer of left ankle with other specified severity
- L97.329Non-pressure chronic ulcer of left ankle with unspecified severity
- L97.401Non-pressure chronic ulcer of unspecified heel and midfoot limited to breakdown of skin
- L97.402Non-pressure chronic ulcer of unspecified heel and midfoot with fat layer exposed
- L97.403Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of muscle
- L97.404Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of bone
- L97.405Non-pressure chronic ulcer of unspecified heel and midfoot with muscle involvement without evidence of necrosis
- L97.406Non-pressure chronic ulcer of unspecified heel and midfoot with bone involvement without evidence of necrosis
- L97.408Non-pressure chronic ulcer of unspecified heel and midfoot with other specified severity
- L97.409Non-pressure chronic ulcer of unspecified heel and midfoot with unspecified severity
- L97.411Non-pressure chronic ulcer of right heel and midfoot limited to breakdown of skin
- L97.412Non-pressure chronic ulcer of right heel and midfoot with fat layer exposed
- L97.413Non-pressure chronic ulcer of right heel and midfoot with necrosis of muscle
- L97.414Non-pressure chronic ulcer of right heel and midfoot with necrosis of bone
- L97.415Non-pressure chronic ulcer of right heel and midfoot with muscle involvement without evidence of necrosis
- L97.416Non-pressure chronic ulcer of right heel and midfoot with bone involvement without evidence of necrosis
- L97.418Non-pressure chronic ulcer of right heel and midfoot with other specified severity
- L97.419Non-pressure chronic ulcer of right heel and midfoot with unspecified severity
- L97.421Non-pressure chronic ulcer of left heel and midfoot limited to breakdown of skin
- L97.422Non-pressure chronic ulcer of left heel and midfoot with fat layer exposed
- L97.423Non-pressure chronic ulcer of left heel and midfoot with necrosis of muscle
- L97.424Non-pressure chronic ulcer of left heel and midfoot with necrosis of bone
- L97.425Non-pressure chronic ulcer of left heel and midfoot with muscle involvement without evidence of necrosis
- L97.426Non-pressure chronic ulcer of left heel and midfoot with bone involvement without evidence of necrosis
- L97.428Non-pressure chronic ulcer of left heel and midfoot with other specified severity
- L97.429Non-pressure chronic ulcer of left heel and midfoot with unspecified severity
- L97.501Non-pressure chronic ulcer of other part of unspecified foot limited to breakdown of skin
- L97.502Non-pressure chronic ulcer of other part of unspecified foot with fat layer exposed
- L97.503Non-pressure chronic ulcer of other part of unspecified foot with necrosis of muscle
- L97.504Non-pressure chronic ulcer of other part of unspecified foot with necrosis of bone
- L97.505Non-pressure chronic ulcer of other part of unspecified foot with muscle involvement without evidence of necrosis
- L97.506Non-pressure chronic ulcer of other part of unspecified foot with bone involvement without evidence of necrosis
- L97.508Non-pressure chronic ulcer of other part of unspecified foot with other specified severity
- L97.509Non-pressure chronic ulcer of other part of unspecified foot with unspecified severity
- L97.511Non-pressure chronic ulcer of other part of right foot limited to breakdown of skin
- L97.512Non-pressure chronic ulcer of other part of right foot with fat layer exposed
- L97.513Non-pressure chronic ulcer of other part of right foot with necrosis of muscle
- L97.514Non-pressure chronic ulcer of other part of right foot with necrosis of bone
- L97.515Non-pressure chronic ulcer of other part of right foot with muscle involvement without evidence of necrosis
- L97.516Non-pressure chronic ulcer of other part of right foot with bone involvement without evidence of necrosis
- L97.518Non-pressure chronic ulcer of other part of right foot with other specified severity
- L97.519Non-pressure chronic ulcer of other part of right foot with unspecified severity
- L97.521Non-pressure chronic ulcer of other part of left foot limited to breakdown of skin
- L97.522Non-pressure chronic ulcer of other part of left foot with fat layer exposed
- L97.523Non-pressure chronic ulcer of other part of left foot with necrosis of muscle
- L97.524Non-pressure chronic ulcer of other part of left foot with necrosis of bone
- L97.525Non-pressure chronic ulcer of other part of left foot with muscle involvement without evidence of necrosis
- L97.526Non-pressure chronic ulcer of other part of left foot with bone involvement without evidence of necrosis
- L97.528Non-pressure chronic ulcer of other part of left foot with other specified severity
- L97.529Non-pressure chronic ulcer of other part of left foot with unspecified severity
- L97.801Non-pressure chronic ulcer of other part of unspecified lower leg limited to breakdown of skin
- L97.802Non-pressure chronic ulcer of other part of unspecified lower leg with fat layer exposed
- L97.803Non-pressure chronic ulcer of other part of unspecified lower leg with necrosis of muscle
- L97.804Non-pressure chronic ulcer of other part of unspecified lower leg with necrosis of bone
- L97.805Non-pressure chronic ulcer of other part of unspecified lower leg with muscle involvement without evidence of necrosis
- L97.806Non-pressure chronic ulcer of other part of unspecified lower leg with bone involvement without evidence of necrosis
- L97.808Non-pressure chronic ulcer of other part of unspecified lower leg with other specified severity
- L97.809Non-pressure chronic ulcer of other part of unspecified lower leg with unspecified severity
- L97.811Non-pressure chronic ulcer of other part of right lower leg limited to breakdown of skin
- L97.812Non-pressure chronic ulcer of other part of right lower leg with fat layer exposed
- L97.813Non-pressure chronic ulcer of other part of right lower leg with necrosis of muscle
- L97.814Non-pressure chronic ulcer of other part of right lower leg with necrosis of bone
- L97.815Non-pressure chronic ulcer of other part of right lower leg with muscle involvement without evidence of necrosis
- L97.816Non-pressure chronic ulcer of other part of right lower leg with bone involvement without evidence of necrosis
- L97.818Non-pressure chronic ulcer of other part of right lower leg with other specified severity
- L97.819Non-pressure chronic ulcer of other part of right lower leg with unspecified severity
- L97.821Non-pressure chronic ulcer of other part of left lower leg limited to breakdown of skin
- L97.822Non-pressure chronic ulcer of other part of left lower leg with fat layer exposed
- L97.823Non-pressure chronic ulcer of other part of left lower leg with necrosis of muscle
- L97.824Non-pressure chronic ulcer of other part of left lower leg with necrosis of bone
- L97.825Non-pressure chronic ulcer of other part of left lower leg with muscle involvement without evidence of necrosis
- L97.826Non-pressure chronic ulcer of other part of left lower leg with bone involvement without evidence of necrosis
- L97.828Non-pressure chronic ulcer of other part of left lower leg with other specified severity
- L97.829Non-pressure chronic ulcer of other part of left lower leg with unspecified severity
- L97.901Non-pressure chronic ulcer of unspecified part of unspecified lower leg limited to breakdown of skin
- L97.902Non-pressure chronic ulcer of unspecified part of unspecified lower leg with fat layer exposed
- L97.903Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of muscle
- L97.904Non-pressure chronic ulcer of unspecified part of unspecified lower leg with necrosis of bone
- L97.905Non-pressure chronic ulcer of unspecified part of unspecified lower leg with muscle involvement without evidence of necrosis
- L97.906Non-pressure chronic ulcer of unspecified part of unspecified lower leg with bone involvement without evidence of necrosis
- L97.908Non-pressure chronic ulcer of unspecified part of unspecified lower leg with other specified severity
- L97.909Non-pressure chronic ulcer of unspecified part of unspecified lower leg with unspecified severity
- L97.911Non-pressure chronic ulcer of unspecified part of right lower leg limited to breakdown of skin
- L97.912Non-pressure chronic ulcer of unspecified part of right lower leg with fat layer exposed
- L97.913Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of muscle
- L97.914Non-pressure chronic ulcer of unspecified part of right lower leg with necrosis of bone
- L97.915Non-pressure chronic ulcer of unspecified part of right lower leg with muscle involvement without evidence of necrosis
- L97.916Non-pressure chronic ulcer of unspecified part of right lower leg with bone involvement without evidence of necrosis
- L97.918Non-pressure chronic ulcer of unspecified part of right lower leg with other specified severity
- L97.919Non-pressure chronic ulcer of unspecified part of right lower leg with unspecified severity
- L97.921Non-pressure chronic ulcer of unspecified part of left lower leg limited to breakdown of skin
- L97.922Non-pressure chronic ulcer of unspecified part of left lower leg with fat layer exposed
- L97.923Non-pressure chronic ulcer of unspecified part of left lower leg with necrosis of muscle
- L97.924Non-pressure chronic ulcer of unspecified part of left lower leg with necrosis of bone
- L97.925Non-pressure chronic ulcer of unspecified part of left lower leg with muscle involvement without evidence of necrosis
- L97.926Non-pressure chronic ulcer of unspecified part of left lower leg with bone involvement without evidence of necrosis
- L97.928Non-pressure chronic ulcer of unspecified part of left lower leg with other specified severity
- L97.929Non-pressure chronic ulcer of unspecified part of left lower leg with unspecified severity
- L98.411Non-pressure chronic ulcer of buttock limited to breakdown of skin
- L98.412Non-pressure chronic ulcer of buttock with fat layer exposed
- L98.413Non-pressure chronic ulcer of buttock with necrosis of muscle
- L98.414Non-pressure chronic ulcer of buttock with necrosis of bone
- L98.415Non-pressure chronic ulcer of buttock with muscle involvement without evidence of necrosis
- L98.416Non-pressure chronic ulcer of buttock with bone involvement without evidence of necrosis
- L98.418Non-pressure chronic ulcer of buttock with other specified severity
- L98.419Non-pressure chronic ulcer of buttock with unspecified severity
- L98.421Non-pressure chronic ulcer of back limited to breakdown of skin
- L98.422Non-pressure chronic ulcer of back with fat layer exposed
- L98.423Non-pressure chronic ulcer of back with necrosis of muscle
- L98.424Non-pressure chronic ulcer of back with necrosis of bone
- L98.425Non-pressure chronic ulcer of back with muscle involvement without evidence of necrosis
Frequently asked questions
How many ICD-10-CM codes in Diseases of the skin and subcutaneous tissue risk-adjust under CMS-HCC V28?
423 ICD-10-CM codes in the L00-L99 chapter (Diseases of the skin and subcutaneous tissue) map to a CMS-HCC V28 payment category for payment year 2026.
Which CMS-HCC V28 categories do L00-L99 codes map to?
Codes in this chapter map to 7 distinct CMS-HCC V28 categories, most commonly HCC 383 (Chronic Ulcer of Skin, Except Pressure, Not Specified as Through to Bone or Muscle), HCC 380 (Chronic Ulcer of Skin, Except Pressure, Through to Bone or Muscle), HCC 381 (Pressure Ulcer of Skin with Full Thickness Skin Loss).
What ICD-10-CM chapter is L00-L99?
L00-L99 is ICD-10-CM Chapter 12, Diseases of the skin and subcutaneous tissue, in the FY2026 code set.
Source: FY2026 ICD-10-CM Tabular (CDC/NCHS) and the CMS-HCC v28 PY2026 mapping file.