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ICD-10-CM 2027

ICD-10 code for incompatibility

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Incompatibility”. Page updated September 29, 2026.

About coding incompatibility

The official ICD-10-CM index doesn't give a single default code for incompatibility; the code depends on the details below.

More specific incompatibility codes (official index)

  • ABO
  • affecting management of pregnancy O36.11 — Maternal care for Anti-A sensitization
  • anti-A sensitization O36.11 — Maternal care for Anti-A sensitization
  • anti-B sensitization O36.19 — Maternal care for other isoimmunization
  • specified NEC O36.19 — Maternal care for other isoimmunization
  • infusion or transfusion reaction
  • newborn P55.1 — ABO isoimmunization of newborn
  • blood (group) (Duffy) (K) (Kell) (Kidd) (Lewis) (M) (S) NEC
  • affecting management of pregnancy O36.11 — Maternal care for Anti-A sensitization
  • anti-A sensitization O36.11 — Maternal care for Anti-A sensitization
  • anti-B sensitization O36.19 — Maternal care for other isoimmunization
  • infusion or transfusion reaction T80.89 — Other complications following infusion, transfusion and therapeutic injection
  • newborn P55.8 — Other hemolytic diseases of newborn
  • divorce or estrangement Z63.5 — Disruption of family by separation and divorce
  • Rh (blood group) (factor) Z31.82 — Encounter for Rh incompatibility status
  • affecting management of pregnancy NEC O36.09 — Maternal care for other rhesus isoimmunization
  • anti-D antibody O36.01 — Maternal care for anti-D [Rh] antibodies
  • infusion or transfusion reaction
  • newborn P55.0 — Rh isoimmunization of newborn
  • rhesus

Common questions about incompatibility ICD-10 codes

What is the ICD-10 code for divorce or estrangement incompatibility?

Z63.5 — Disruption of family by separation and divorce.

What is the ICD-10 code for rh incompatibility?

Z31.82 — Encounter for Rh incompatibility status.