R76.8 Other specified abnormal immunological findings in serumNon-billable header with 2 child codes.
R76.81 Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritisR76.89 Other specified abnormal immunological findings in serum795.6 False positive serological test for syphilis (approximate)795.79 Other and unspecified nonspecific immunological findings (approximate)R76 Other abnormal immunological findings in serumR76.0 Raised antibody titerR76.1 Nonspecific reaction to test for tuberculosisR76.11 Nonspecific reaction to tuberculin skin test without active tuberculosisR76.12 Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosisR76.8 Other specified abnormal immunological findings in serum (this code)R76.81 Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritisR76.89 Other specified abnormal immunological findings in serumR76.9 Abnormal immunological finding in serum, unspecified