ICD-10-CM 2027
ICD-10 code for Rh typing encounter
From the official ICD-10-CM alphabetic index entry “Encounter (with health service) (for) › Rh typing”. Page updated September 29, 2026.
About coding Rh typing encounter
The ICD-10-CM code for Rh typing encounter is Z01.83 (Encounter for blood typing).
Within Z01.8 (encounter for other specified special examinations), Z01.83 is specifically for encounter for blood typing. Related codes cover preprocedural examinations (Z01.81), allergy testing (Z01.82), antibody response examination (Z01.84) and other specified special examinations (Z01.89).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 951 (Other Factors Influencing Health Status, relative weight 0.5577), in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about Rh typing encounter ICD-10 codes
What is the ICD-10 code for Rh typing encounter?
- Z01.83 — Encounter for blood typing.
Is Z01.83 billable?
- Yes. Z01.83 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Z01.83 be used as a principal diagnosis?
- No. It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.
Is Z01.83 a CC or MCC?
- No. Z01.83 is neither a CC nor an MCC under MS-DRG v44.0.