ICD-10 F90.9
Billable / SpecificAttention-deficit hyperactivity disorder, unspecified type
About ICD-10-CM F90.9
ICD-10-CM code F90.9 represents Attention-deficit hyperactivity disorder, unspecified type. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F90). The 2026 edition of ICD-10-CM F90.9 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F90.9. Per CMS ICD-10-CM Tabular 2026.
- Attention-deficit hyperactivity disorder of childhood or adolescence NOS
- Attention-deficit hyperactivity disorder NOS
Medicare LCD Coverage for F90.9
Local Coverage Determinations (LCDs) from CMS MACs that list F90.9 as a covered diagnosis.
Showing top 10 of 176 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F90.9.
3 Aetna
1 Cigna
5 Medicare
CPT Codes Commonly Billed with F90.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 90834 Psychotherapy 45 min — GAD, anxiety, MDD, recurrent depression, PTSD, adjustment disorder, BPD, OCD, bipolar, ADHD, autism, anorexia, bulimia Psychiatry
- 90791 Psychiatric diagnostic evaluation — any mental health dx for initial assessment, suicidal ideation, hallucinations, antisocial behavior Psychiatry
- 90792 Psychiatric eval with medical services — schizophrenia, bipolar, MDD, anxiety, personality disorder, ASD, ADHD, substance use Psychiatry
- 90833 Psychotherapy 30 min add-on to E/M — anxiety, depression, PTSD, bipolar, OCD, BPD, ADHD Psychiatry
Convert F90.9 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| F90.9 | 31400 | 10000 |
| F90.9 | 31401 | 10000 |
| F90.9 | 3149 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F90.9
Other codes in section F90-F98 (Behavioral and emotional disorders with onset usually occurring in childhood and adolescence).
ICD-10 F90.9, Billing FAQ
Is ICD-10 code F90.9 billable? +
Yes, F90.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to F90.9? +
ICD-10 F90.9 includes: Attention-deficit hyperactivity disorder of childhood or adolescence NOS; Attention-deficit hyperactivity disorder NOS.
What CPT codes are commonly billed with F90.9? +
Procedures frequently paired with F90.9 include: 90834, 90791, 90792, 90833.
What ICD-9 codes does F90.9 map to? +
Per CMS GEMs, F90.9 maps to ICD-9 codes: 31400, 31401, 3149. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 17, 2026.
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