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ICD-10-CM tabular list

F50-F59Behavioral syndromes associated with physiological disturbances and physical factors

ICD-10-CM codes F50-F59 cover behavioral syndromes associated with physiological disturbances and physical factors, within mental, behavioral and neurodevelopmental disorders. The block holds 81 codes across 7 categories, of which 66 are billable and 15 are header codes that cannot be submitted on a claim.

Risk adjustment in F50-F59

0 codes in this block map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded. Under-coding here is money left on the table; over-coding here is what audits are for.

  • HCC 153 Personality Disorders; Anorexia/Bulimia Nervosa
  • HCC 152 Psychosis, Except Schizophrenia

What else to watch in F50-F59

  • 69 codes are named in Medicare coverage policies. An LCD or NCD lists them as supporting medical necessity, or explicitly as not supporting it. Which applies depends on the MAC for your state.

Categories in F50-F59

ICD-10-CMFY2026-Apr· effective April 1, 2026