MA14.12

ICD-11 MMS 2026-01

Anticitrullinated protein antibody positive

Index terms

  • Anticitrullinated protein antibody positive
  • ACPA - [anticitrullinated protein antibody] positive
  • CCP - [cyclic citrullinated peptide] antibody positive

Exclusions from above levels

  • 3B64 – Thrombocytopenia
  • http://id.who.int/icd/entity/1016799900 – abnormalities of coagulation
  • http://id.who.int/icd/entity/1191191920 – abnormalities of lipids
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  • http://id.who.int/icd/entity/1800910986 – Haemorrhagic or haematological disorders of fetus or newborn
  • JA66.0 – Abnormal haematological finding on antenatal screening of mother
  • 19 – Certain conditions originating in the perinatal period
  • JA66 – Clinical findings on antenatal screening of mother

Sibling codes

  • MA14.10 – Abnormal reaction to tuberculin test
  • MA14.11 – Anticitrullinated protein antibody negative
  • MA14.13 – Anti-nuclear antibody negative
  • MA14.14 – Anti-nuclear antibody positive
  • MA14.15 – Elevated C-reactive protein
  • MA14.16 – False-positive serological test for syphilis
  • MA14.17 – Human leukocyte antigen negative
  • MA14.18 – Human leukocyte antigen positive
  • MA14.19 – Neural autoantibody negative
  • MA14.1A – Neural autoantibody positive
  • MA14.1B – Prostate specific antigen positive
  • MA14.1C – Raised antibody titre
  • MA14.1D – Rheumatoid factor negative
  • MA14.1E – Rheumatoid factor positive

Foundation entity

Anticitrullinated protein antibody positive – http://id.who.int/icd/entity/214907994

Part of: MA14.1: Certain specified immunological findings › MA14: Immunological findings in blood, blood-forming organs, or the immune system › 21: Symptoms, signs or clinical findings, not elsewhere classified