R76.81Billable
Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
Short description: Abn rheu fctr /anti-citrul protein antibody w/o rheu arthrit
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R76
- Effective date
- October 1, 2026
Related codes in category R76
R76Other abnormal immunological findings in serumR76.0Raised antibody titerYesR76.1Nonspecific reaction to test for tuberculosisR76.11Nonspecific reaction to skin test w/o active tuberculosisYesR76.12Nonspec reaction to gamma intrfrn respns w/o actv tubrclosisYesR76.8Other specified abnormal immunological findings in serumR76.89Other specified abnormal immunological findings in serumYesR76.9Abnormal immunological finding in serum, unspecifiedYes
Frequently asked questions
What is ICD-10 code R76.81?
R76.81 is an ICD-10-CM diagnosis code for Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis.
Is R76.81 a billable code?
Yes. R76.81 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R76.81 in?
R76.81 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R76.81 become effective?
R76.81 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R76.81?
R76.81 belongs to category R76, which includes 8 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.