ICD-11 4B4Z to ICD-10 Mapping
WHO crosswalk mapping for ICD-11 code 4B4Z (Diseases of the immune system, unspecified) to ICD-10-CM equivalents.
ICD-10 Equivalents (7)
Corresponding ICD-10-CM codes from the WHO crosswalk mapping
D80.-D89equivalentPrimaryD84Other immunodeficienciesequivalentPrimaryD84.8Other specified immunodeficienciesequivalentPrimaryD89Oth disorders involving the immune mechanism, NECequivalentPrimaryD89.1CryoglobulinemiaequivalentPrimaryD89.8Oth disrd involving the immune mechanism, NECequivalentPrimaryD89.9Disorder involving the immune mechanism, unspecifiedequivalentPrimary
About Mapping Types
- equivalentThe ICD-11 and ICD-10 codes have the same clinical meaning
- narrowerThe ICD-10 code is more specific than the ICD-11 code
- broaderThe ICD-10 code is less specific than the ICD-11 code
- approximateThe codes are related but do not have an exact correspondence