R76: Other abnormal immunological findings in serum

Codes under R76 (Other abnormal immunological findings in serum). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
R76.0	Raised antibody titer	✓
R76.1	Nonspecific reaction to test for tuberculosis	—
R76.8	Other specified abnormal immunological findings in serum	—
R76.9	Abnormal immunological finding in serum, unspecified	✓
R76.11	Nonspecific reaction to tuberculin skin test without active tuberculosis	✓
R76.12	Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis	✓
R76.81	Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis	✓
R76.89	Other specified abnormal immunological findings in serum	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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