2026 ICD-10-CM Diagnosis Code Z01.83Encounter for blood typing

ICD-10-CM Codes›Z00–Z99›Z00-Z13›Z01

ICD-10-CM Z01.83
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z01.83 is a billable ICD-10-CM diagnosis code for encounter for blood typing. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Medical examination/evaluation.

Code Identity

ICD-10-CM Code
Z01.83
Billable Status
Yes — Valid for Submission
Code Describes
Encounter for blood typing
Short Description
Encounter for blood typing
Same as the full description in the CMS dataset.
Parent Code
Z01.8
Encounter for other specified special examinations

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ00-Z13Persons encountering health services for examinations
CategoryZ01Encounter for other special examination without complaint, suspected or reported diagnosis
This CodeZ01.83Encounter for blood typing

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z01.83.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Present on Admission (POA)Billing

Z01.83 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acquired Lutheran negative phenotype
  • Blood group A Rh negative
  • Blood group AB
  • Blood group AB Rh negative
  • Blood group B
  • Blood group B Rh negative
  • Blood group O
  • Blood group O Rh negative
  • Common composite blood groups - finding
  • En phenotype
  • I blood group phenotype
  • I phenotype
  • i>1< phenotype
  • i>2< phenotype
  • i>adult< phenotype
  • i>cord< phenotype
  • I>int< phenotype
  • In phenotype
  • Inherited weak D phenotype
  • Jk phenotype
  • JkJk phenotype
  • K- phenotype
  • K+ phenotype
  • K+k- phenotype
  • K+k+ phenotype
  • Kell blood group phenotype
  • Kell>mod< phenotype
  • Kell>null< phenotype
  • Kidd blood group phenotype
  • K-k- phenotype
  • K-k+ phenotype
  • Kx blood group phenotype
  • Landsteiner-Wiener phenotype
  • Le phenotype
  • Lewis blood group phenotype
  • Lu phenotype
  • LuLu phenotype
  • Lutheran negative phenotype
  • Lutheran weak phenotype
  • LW phenotype
  • M- phenotype
  • M^k^M^k^ phenotype
  • M+ phenotype
  • M+N- phenotype
  • M+N+ phenotype
  • McLeod phenotype
  • Mixed field RhD
  • M-N- phenotype
  • M-N+ phenotype
  • N- phenotype
  • N+ phenotype
  • P blood group phenotype
  • p phenotype
  • P>1< phenotype
  • P>1<^k^ phenotype
  • P>2< phenotype
  • P>2<^k^ phenotype
  • P1- phenotype
  • P1+ phenotype
  • Rhc negative
  • Rhc positive
  • RhD negative
  • S- phenotype
  • S+ phenotype
  • S+s- phenotype
  • S+s+ phenotype
  • Secretor gene absent
  • Secretor gene present
  • S-s- phenotype
  • S-s+ phenotype
  • Trans weak D phenotype
  • U- phenotype
  • Weak C phenotype
  • Weak D phenotype
  • Weak e phenotype
  • Weak G phenotype
  • Weak M phenotype
  • Weak N phenotype
  • Weak S phenotype
  • Weak V phenotype
  • XS2 phenotype

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Encounter for Rh typing

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Encounter(with health service) (for)
      • blood typing
    • Encounter(with health service) (for)
      • blood typing
        • Rh typing
    • Encounter(with health service) (for)
      • Rh typing
    • Test, tests, testing(for)
      • blood typing
    • Test, tests, testing(for)
      • blood typing
        • Rh typing

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC014
Medical examination/evaluation
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Blood

Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Z01.83 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V72.86 Blood typing encounter
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z01.83Overview

Is Z01.83 (Encounter for other specified special examinations) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report encounter for blood typing on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z01.83 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because encounter for blood typing describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

Is Z01.83 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for encounter for blood typing on inpatient claims.

What is the ICD-9 equivalent of Z01.83?

Under the General Equivalence Mappings, encounter for blood typing converts to ICD-9-CM V72.86 (blood typing encounter). The mapping is a direct match.