R76.8Header code — not billable
Other specified abnormal immunological findings in serum
- 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 tubrclosisYesR76.81Abn rheu fctr /anti-citrul protein antibody w/o rheu arthritYesR76.89Other specified abnormal immunological findings in serumYesR76.9Abnormal immunological finding in serum, unspecifiedYes
Frequently asked questions
What is ICD-10 code R76.8?
R76.8 is an ICD-10-CM diagnosis code for Other specified abnormal immunological findings in serum.
Is R76.8 a billable code?
No. R76.8 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is R76.8 in?
R76.8 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R76.8 become effective?
R76.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R76.8?
R76.8 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.