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656.20 - Isoimmunization From Other And Unspecified Blood-group Incompatibility, Unspecified As To Episode Of Care Or Not Applicable


The ICD 9 Code for Isoimmunization from other and unspecified blood-group incompatibility, unspecified as to episode of care or not applicable is listed as 656.20.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 656.20
Long Description: Isoimmunization from other and unspecified blood-group incompatibility, unspecified as to episode of care or not applicable
Short Description: Abo isoimmunization-unsp
Chapter: Complications Of Pregnancy, Childbirth, And The Puerperium
Block: Normal Delivery, And Other Indications For Care In Pregnancy, Labor, And Delivery (650-659)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: O36.1190 - Maternal care for Anti-A sensitization, unspecified trimester, not applicable or unspecified (approximate)
ICD-10-CM Code: O36.1990 - Maternal care for other isoimmunization, unspecified trimester, not applicable or unspecified (approximate)
ICD-9-CM Siblings (same level / similar specificity) of 656.20:
656.21 - Isoimmunization from other and unspecified blood-group incompatibility, delivered, with or without mention of antepartum condition
656.23 - Isoimmunization from other and unspecified blood-group incompatibility, antepartum condition or complication