R76.0 Raised antibody titer

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• isoimmunization in pregnancy (O36.0-O36.1)
• isoimmunization affecting newborn (P55.-)

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 795.79 Other and unspecified nonspecific immunological findings (approximate)

Code annotations containing back-references to R76.0

Back-references to R76.0

• Type 1 Excludes: D68.312 Antiphospholipid antibody with hemorrhagic disorder ("antiphospholipid antibody, finding without diagnosis (R76.0)")
• Type 1 Excludes: D68.312 Antiphospholipid antibody with hemorrhagic disorder ("lupus anticoagulant (LAC) finding without diagnosis (R76.0)")
• Type 1 Excludes: D68.312 Antiphospholipid antibody with hemorrhagic disorder ("systemic lupus erythematosus [SLE] inhibitor finding without diagnosis (R76.0)")
• Type 1 Excludes: D68.5 Primary thrombophilia ("systemic lupus erythematosus [SLE] inhibitor finding without diagnosis (R76.0)")
• Type 1 Excludes: D68.61 Antiphospholipid syndrome ("anti-phospholipid antibody, finding without diagnosis (R76.0)")
• Type 1 Excludes: D68.62 Lupus anticoagulant syndrome ("lupus anticoagulant (LAC) finding without diagnosis (R76.0)")

Diagnosis Index entries for R76.0

• Antibody › anticardiolipin
• Antibody › antiphosphatidylglycerol
• Antibody › antiphosphatidylinositol
• Antibody › antiphosphatidylserine
• Antibody › antiphospholipid
• Elevated, elevation › antibody titer
• Findings, abnormal, inconclusive, without diagnosis › antibody titer, elevated
• Findings, abnormal, inconclusive, without diagnosis › anticardiolipin antibody
• Findings, abnormal, inconclusive, without diagnosis › antiphosphatidylglycerol antibody
• Findings, abnormal, inconclusive, without diagnosis › antiphosphatidylinositol antibody
• Findings, abnormal, inconclusive, without diagnosis › antiphosphatidylserine antibody
• Findings, abnormal, inconclusive, without diagnosis › antiphospholipid antibody
• Lupus › anticoagulant › finding without diagnosis
• Lupus › erythematosus (discoid) (local) › systemic › inhibitor (presence of) › finding without diagnosis
• Raised › antibody titer

Nearby codes

• R76 Other abnormal immunological findings in serum
• R76.0 Raised antibody titer (this code)
• R76.1 Nonspecific reaction to test for tuberculosis
• 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
• R76.8 Other specified abnormal immunological findings in serum
• R76.81 Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis