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F01-F99560 V28 risk-adjusting codes

Mental, Behavioral and Neurodevelopmental disorders

ICD-10-CM Chapter 5 (F01-F99) in the FY2026 code set. 560 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 560)

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 Mental, Behavioral and Neurodevelopmental disorders risk-adjust under CMS-HCC V28?

560 ICD-10-CM codes in the F01-F99 chapter (Mental, Behavioral and Neurodevelopmental disorders) map to a CMS-HCC V28 payment category for payment year 2026.

Which CMS-HCC V28 categories do F01-F99 codes map to?

Codes in this chapter map to 13 distinct CMS-HCC V28 categories, most commonly HCC 137 (Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications), HCC 135 (Drug Use with Psychotic Complications), HCC 127 (Dementia, Mild or Unspecified).

What ICD-10-CM chapter is F01-F99?

F01-F99 is ICD-10-CM Chapter 5, Mental, Behavioral and Neurodevelopmental disorders, in the FY2026 code set.

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