Diseases of the genitourinary system
ICD-10-CM Chapter 14 (N00-N99) in the FY2026 code set. 8 codes in this chapter map to a CMS-HCC V28 payment category, across 5 HCC categories.
CMS-HCC V28 categories in this chapter (5)
Open any category for its full member-code list, RAF, and hierarchy.
Risk-adjusting ICD-10-CM codes (8)
Codes in this chapter that map to a CMS-HCC V28 payment category. Open any code for its full detail.
Frequently asked questions
How many ICD-10-CM codes in Diseases of the genitourinary system risk-adjust under CMS-HCC V28?
8 ICD-10-CM codes in the N00-N99 chapter (Diseases of the genitourinary system) map to a CMS-HCC V28 payment category for payment year 2026.
Which CMS-HCC V28 categories do N00-N99 codes map to?
Codes in this chapter map to 5 distinct CMS-HCC V28 categories, most commonly HCC 329 (Chronic Kidney Disease, Moderate (Stage 3, Except 3B)), HCC 326 (Chronic Kidney Disease, Stage 5), HCC 92 (Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis).
What ICD-10-CM chapter is N00-N99?
N00-N99 is ICD-10-CM Chapter 14, Diseases of the genitourinary system, in the FY2026 code set.
Source: FY2026 ICD-10-CM Tabular (CDC/NCHS) and the CMS-HCC v28 PY2026 mapping file.