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F84.8

F84.8Other pervasive developmental disorders

Billable / specific codeICD-10-CM

F84.8 is a billable, specific ICD-10-CM code for other pervasive developmental disorders. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Overactive disorder associated with intellectual disabilities and stereotyped movements

Risk adjustment

F84.8 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

F84.8 is named in 13 Medicare coverage policies 12 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56614Billing and Coding: Psychiatric Inpatient Hospitalization
  • A56756Billing and Coding: Home Health - Psychiatric Care
  • A56865Billing and Coding: Psychiatric Inpatient Hospitalization

How F84.8 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F84.8.

  • Psychosis, psychoticchildhoodatypical
  • Psychosis, psychoticinfantileatypical
  • Disorderdevelopmentalpervasivespecified NEC

Related codes at this level

Codes that share F84. If F84.8 is not quite right, the correct code is usually one of these.

Questions about F84.8

Is F84.8 a billable ICD-10-CM code?
Yes. F84.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does F84.8 sit in the tabular list?
Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Pervasive and specific developmental disorders (F80-F89).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.