M62.26 ICD-10-CM Code: Nontraumatic ischemic infarction of muscle, lower leg
M62.26 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · HCC coding software
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FY 2026 Apr update / Diseases of the musculoskeletal system and connective tissue (M00-M99) / Disorders of muscles (M60-M63)
M62.26
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceNontraumatic ischemic infarction of muscle, lower leg
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for M62.26. Check the code and parent instructions in the Code Book.
Excludes 2
Official- arthropathic psoriasis (L40.5-)Inherited from M00-M99, M60-M63, M62
- certain conditions originating in the perinatal period (P04-P96)Inherited from M00-M99, M60-M63, M62
- certain infectious and parasitic diseases (A00-B99)Inherited from M00-M99, M60-M63, M62
- compartment syndrome (traumatic) (T79.A-)Inherited from M00-M99, M60-M63, M62
- complications of pregnancy, childbirth and the puerperium (O00-O9A)Inherited from M00-M99, M60-M63, M62
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Inherited from M00-M99, M60-M63, M62
- endocrine, nutritional and metabolic diseases (E00-E88)Inherited from M00-M99, M60-M63, M62
- injury, poisoning and certain other consequences of external causes (S00-T88)Inherited from M00-M99, M60-M63, M62
- neoplasms (C00-D49)Inherited from M00-M99, M60-M63, M62
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)Inherited from M00-M99, M60-M63, M62
- muscular dystrophies and myopathies (G71-G72)Inherited from M00-M99, M60-M63, M62
- nontraumatic hematoma of muscle (M79.81)Inherited from M00-M99, M60-M63, M62
Related Codes
Includes
OfficialNo Includes notes are included in this display for M62.26. Check the code and parent instructions in the Code Book.
Excludes 1
Official- dermatopolymyositis (M33.-)Inherited from M60-M63, M62, M62.2
- myopathy in amyloidosis (E85.-)Inherited from M60-M63, M62, M62.2
- myopathy in polyarteritis nodosa (M30.0)Inherited from M60-M63, M62, M62.2
- myopathy in rheumatoid arthritis (M05.32)Inherited from M60-M63, M62, M62.2
- myopathy in scleroderma (M34.-)Inherited from M60-M63, M62, M62.2
- myopathy in Sjögren's syndrome (M35.03)Inherited from M60-M63, M62, M62.2
- myopathy in systemic lupus erythematosus (M32.-)Inherited from M60-M63, M62, M62.2
- alcoholic myopathy (G72.1)Inherited from M60-M63, M62, M62.2
- cramp and spasm (R25.2)Inherited from M60-M63, M62, M62.2
- drug-induced myopathy (G72.0)Inherited from M60-M63, M62, M62.2
- myalgia (M79.1-)Inherited from M60-M63, M62, M62.2
- stiff-man syndrome (G25.82)Inherited from M60-M63, M62, M62.2
- compartment syndrome (traumatic) (T79.A-)Inherited from M60-M63, M62, M62.2
- nontraumatic compartment syndrome (M79.A-)Inherited from M60-M63, M62, M62.2
- traumatic ischemia of muscle (T79.6)Inherited from M60-M63, M62, M62.2
- rhabdomyolysis (M62.82)Inherited from M60-M63, M62, M62.2
- Volkmann's ischemic contracture (T79.6)Inherited from M60-M63, M62, M62.2
Code First
OfficialNo Code First sequencing instructions are included in this display for M62.26. Check the code and parent instructions in the Code Book.
Use Additional
OfficialNo Use Additional Code instructions are included in this display for M62.26. Check the code and parent instructions in the Code Book.
Code Also
OfficialNo Code Also instructions are included in this display for M62.26. Check the code and parent instructions in the Code Book.
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- M62.26
- Description
- Nontraumatic ischemic infarction of muscle, lower leg
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
M62.26 is the ICD-10-CM diagnosis code for nontraumatic ischemic infarction of muscle, lower leg. M62.26 sits in the ICD-10-CM chapter for diseases of the musculoskeletal system and connective tissue (m00-m99), within the section covering disorders of muscles (m60-m63).
Header codes like M62.26 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for M62.26 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.