DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R76 Other abnormal immunological findings in serum

  • Header · not billable

R76 is not billable. The category heads 6 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

  • Converter, tuberculosis (test reaction) → R76.11
  • Raisedantibody titer → R76.0
  • Antibodyanticardiolipin → R76.0

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R70-R79 Abnormal findings on examination of blood, without diagnosis (R70-R79)
  3. R76 Other abnormal immunological findings in serum
Billable codes
6
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
35

Codes in R76

  1. R76.0
    Raised antibody titer
    Billable
    Excludes1 2

    Excludes1

    • isoimmunization in pregnancy (O36.0-O36.1) O36.0 O36.1
    • isoimmunization affecting newborn (P55.-) P55
  2. R76.1
    Nonspecific reaction to test for tuberculosis
    Header
  3. R76.11
    Nonspecific reaction to tuberculin skin test without active tuberculosis
    Billable
    Inclusion terms 4, Excludes1 1

    Inclusion terms

    • Abnormal result of Mantoux test
    • PPD positive
    • Tuberculin (skin test) positive
    • Tuberculin (skin test) reactor

    Excludes1

    • nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis (R76.12) R76.12
  4. R76.12
    Nonspecific reaction to cell mediated immunity measurement of gamma interferon antigen response without active tuberculosis
    Billable
    Inclusion terms 1, Excludes1 2

    Inclusion terms

    • Nonspecific reaction to QuantiFERON-TB test (QFT) without active tuberculosis

    Excludes1

    • nonspecific reaction to tuberculin skin test without active tuberculosis (R76.11) R76.11
    • positive tuberculin skin test (R76.11) R76.11
  5. R76.8
    Other specified abnormal immunological findings in serum
    Header
  6. R76.81
    Abnormal rheumatoid factor and anti-citrullinated protein antibody without rheumatoid arthritis
    Billable
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Abnormal anti-CCP
    • Abnormal anti-cyclic citrullinated protein antibody and rheumatoid factor

    Excludes1

    • rheumatoid arthritis with rheumatoid factor (M05.-) M05
  7. R76.89
    Other specified abnormal immunological findings in serum
    Billable
    Inclusion terms 1

    Inclusion terms

    • Raised level of immunoglobulins NOS
  8. R76.9
    Abnormal immunological finding in serum, unspecified
    Billable

Sources of each column.

Instructions

Notes that also apply

Block R70-R79 instructions (Excludes2 7): printed on the block page.

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Converter, tuberculosis (test reaction) → R76.11
  • Antibodyanticardiolipin → R76.0
  • Antibodyantiphosphatidylglycerol → R76.0
  • Antibodyantiphosphatidylinositol → R76.0
  • Antibodyantiphosphatidylserine → R76.0
  • Antibodyantiphospholipid → R76.0
  • Elevated, elevationantibody titer → R76.0
  • Findings, abnormal, inconclusive, without diagnosisantibody titer, elevated → R76.0
  • Findings, abnormal, inconclusive, without diagnosisanticardiolipin antibody → R76.0
  • Findings, abnormal, inconclusive, without diagnosisantiphosphatidylglycerol antibody → R76.0
  • Findings, abnormal, inconclusive, without diagnosisantiphosphatidylinositol antibody → R76.0
  • Findings, abnormal, inconclusive, without diagnosisantiphosphatidylserine antibody → R76.0
  • Findings, abnormal, inconclusive, without diagnosisantiphospholipid antibody → R76.0
  • Raisedantibody titer → R76.0
  • Abnormal, abnormality, abnormalitiesMantoux test → R76.11
  • Findings, abnormal, inconclusive, without diagnosisPPD → R76.11
  • Findings, abnormal, inconclusive, without diagnosistuberculin skin test (without active tuberculosis) → R76.11
  • PositivePPD (skin test) → R76.11
  • Positiveskin test, tuberculin (without active tuberculosis) → R76.11
  • Reactiontuberculin skin test, abnormal → R76.11
  • Sensitive, sensitivitytuberculin, without clinical or radiological symptoms → R76.11
  • Abnormal, abnormality, abnormalitiesanti-cyclic citrullinated protein antibody and rheumatoid factor → R76.81
  • Abnormal, abnormality, abnormalitiesanti-CCP (cyclic citrullinated protein) → R76.81
  • Elevated, elevationimmunoglobulin level → R76.89
  • Lupusanticoagulantfinding without diagnosis → R76.0
  • Test, tests, testing (for)Mantoux (for tuberculosis)abnormal result → R76.11
  • Test, tests, testing (for)tuberculinabnormal result → R76.11
  • Abnormal, abnormality, abnormalitiesrheumatoid factor and anti-citrullinated protein antibodywithout rheumatoid arthritis → R76.81
  • Positiveserology for syphilisfalse → R76.89
  • Abnormal, abnormality, abnormalitiesimmunological findingsin serum → R76.9
  • Reactionnonspecifictotuberculin test → R76.11
  • Reactionnonspecifictocell mediated immunity measurement of gamma interferon antigen response without active tuberculosis → R76.12
  • ReactionnonspecifictoQuantiFERON-TB test (QFT) without active tuberculosis → R76.12
  • Abnormal, abnormality, abnormalitiesimmunological findingsin serumspecified NEC → R76.89
  • Lupuserythematosus (discoid) (local)systemicinhibitor (presence of)finding without diagnosis → R76.0

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