Z36.5

Z36.5: Encounter for antenatal screening for isoimmunization

Billable / specific codeICD-10-CMPOA exempt

Z36.5 is a billable, specific ICD-10-CM code for encounter for antenatal screening for isoimmunization. It is valid for submission on a claim.

Check Z36.5 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Z36.5

A category’s note binds every code beneath it.

Written on Z36: Encounter for antenatal screening of mother

diagnostic examination- code to sign or symptom
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
suspected fetal condition affecting management of pregnancy - code to condition in Chapter 15

Excludes2 inherited from the categories above Z36.5

Not part of this code, but both may be coded when both are present.

Written on Z36: Encounter for antenatal screening of mother

abnormal findings on antenatal screening of mother (O28.-)
genetic counseling and testing (Z31.43-, Z31.5)
routine prenatal care (Z34)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Encounter›antenatal screening›isoimmunization

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z36