ICD-10 F42.2
Billable / SpecificMixed obsessional thoughts and acts
About ICD-10-CM F42.2
ICD-10-CM code F42.2 represents Mixed obsessional thoughts and acts. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F42). The 2026 edition of ICD-10-CM F42.2 became effective on October 1, 2025.
Medicare LCD Coverage for F42.2
Local Coverage Determinations (LCDs) from CMS MACs that list F42.2 as a covered diagnosis.
Showing top 10 of 274 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F42.2.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with F42.2
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
- 90837 Psychotherapy 60 min — same as 90834 plus substance use disorders, severe depression Psychiatry
- 90791 Psychiatric diagnostic evaluation — any mental health dx for initial assessment, suicidal ideation, hallucinations, antisocial behavior Psychiatry
- 90833 Psychotherapy 30 min add-on to E/M — anxiety, depression, PTSD, bipolar, OCD, BPD, ADHD Psychiatry
- 90836 Psychotherapy 45 min add-on to E/M — anxiety, depression, PTSD, bipolar, OCD, BPD, substance use Psychiatry
Convert F42.2 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 |
|---|---|---|
| F42.2 | 3003 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F42.2
Other codes in section F40-F48 (Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders).
ICD-10 F42.2, Billing FAQ
Is ICD-10 code F42.2 billable? +
Yes, F42.2 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with F42.2? +
Procedures frequently paired with F42.2 include: 90834, 90837, 90791, 90833, 90836.
What ICD-9 codes does F42.2 map to? +
Per CMS GEMs, F42.2 maps to ICD-9 codes: 3003. 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 16, 2026.
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