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E00-E89570 V28 risk-adjusting codes

Endocrine, nutritional and metabolic diseases

ICD-10-CM Chapter 4 (E00-E89) in the FY2026 code set. 570 codes in this chapter map to a CMS-HCC V28 payment category, across 13 HCC categories.

CMS-HCC V28 categories in this chapter (13)

Open any category for its full member-code list, RAF, and hierarchy.

Risk-adjusting ICD-10-CM codes (showing 300 of 570)

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 Endocrine, nutritional and metabolic diseases risk-adjust under CMS-HCC V28?

570 ICD-10-CM codes in the E00-E89 chapter (Endocrine, nutritional and metabolic diseases) map to a CMS-HCC V28 payment category for payment year 2026.

Which CMS-HCC V28 categories do E00-E89 codes map to?

Codes in this chapter map to 13 distinct CMS-HCC V28 categories, most commonly HCC 37 (Diabetes with Chronic Complications), HCC 298 (Severe Diabetic Eye Disease, Retinal Vein Occlusion, and Vitreous Hemorrhage), HCC 50 (Amyloidosis, Porphyria, and Other Specified Metabolic Disorders).

What ICD-10-CM chapter is E00-E89?

E00-E89 is ICD-10-CM Chapter 4, Endocrine, nutritional and metabolic diseases, in the FY2026 code set.

Source: FY2026 ICD-10-CM Tabular (CDC/NCHS) and the CMS-HCC v28 PY2026 mapping file.