ICD-10 R76.81
Billable / SpecificAbnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
About ICD-10-CM R76.81
ICD-10-CM code R76.81 represents Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R76). The 2026 edition of ICD-10-CM R76.81 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R76.81. Per CMS ICD-10-CM Tabular 2026.
- Abnormal anti-CCP
- Abnormal anti-cyclic citrullinated protein antibody and rheumatoid factor
Type 1 Excludes
Pure excludes, these codes can never be coded together with R76.81. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- rheumatoid arthritis with rheumatoid factor (M05.-)
Medicare LCD Coverage for R76.81
Local Coverage Determinations (LCDs) from CMS MACs that list R76.81 as a covered diagnosis.
Showing top 10 of 14 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R76.81.
2 Medicare
CPT Codes Commonly Billed with R76.81
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To R76.81
Other codes in section R70-R79 (Abnormal findings on examination of blood, without diagnosis).
ICD-10 R76.81, Billing FAQ
Is ICD-10 code R76.81 billable? +
Yes, R76.81 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 R76.81? +
ICD-10 R76.81 includes: Abnormal anti-CCP; Abnormal anti-cyclic citrullinated protein antibody and rheumatoid factor.
What codes are Type 1 Excludes for R76.81? +
Type 1 Excludes (never code together with R76.81): rheumatoid arthritis with rheumatoid factor (M05.-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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