ICD-10 R46.81
Billable / SpecificObsessive-compulsive behavior
About ICD-10-CM R46.81
ICD-10-CM code R46.81 represents Obsessive-compulsive behavior. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R46). The 2026 edition of ICD-10-CM R46.81 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with R46.81. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- obsessive-compulsive disorder (F42.-)
Medicare LCD Coverage for R46.81
Local Coverage Determinations (LCDs) from CMS MACs that list R46.81 as a covered diagnosis.
Showing top 10 of 38 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R46.81.
1 Medicare
CPT Codes Commonly Billed with R46.81
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 90791 Psychiatric diagnostic evaluation — any mental health dx for initial assessment, suicidal ideation, hallucinations, antisocial behavior Psychiatry
Convert R46.81 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 |
|---|---|---|
| R46.81 | 79989 | 10000 |
| R46.81 | V4039 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R46.81
Other codes in section R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
ICD-10 R46.81, Billing FAQ
Is ICD-10 code R46.81 billable? +
Yes, R46.81 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for R46.81? +
Type 1 Excludes (never code together with R46.81): obsessive-compulsive disorder (F42.-)
What CPT codes are commonly billed with R46.81? +
Procedures frequently paired with R46.81 include: 90791.
What ICD-9 codes does R46.81 map to? +
Per CMS GEMs, R46.81 maps to ICD-9 codes: 79989, V4039. 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 June 1, 2026.
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