656.21
Isoimmunization from other and unspecified blood-group incompatibility, delivered, with or without mention of antepartum condition
The ICD-9 code for isoimmunization from other and unspecified blood-group incompatibility, delivered, with or without mention of antepartum condition is 656.21.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 656.21 →