Z36 ICD-10-CM Code: Encounter for antenatal screening of mother
Z36 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · HCC coding software
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Factors influencing health status and contact with health services (Z00-Z99) / Persons encountering health services in circumstances related to reproduction (Z30-Z39)
Z36
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceEncounter for antenatal screening of mother
Encounter for antenatal screening of mother
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for Z36 in this effective period.
Excludes 2
Official- abnormal findings on antenatal screening of mother (O28.-)
- genetic counseling and testing (Z31.43-, Z31.5)
- routine prenatal care (Z34)
Related Child Codes
Includes
Official- Encounter for placental sample (taken vaginally)
- Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.
Excludes 1
Official- 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
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for Z36 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for Z36 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for Z36 in this effective period.
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- Z36
- Description
- Encounter for antenatal screening of mother
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
Get the V28 mapping + MEAT cheat sheet
One printable reference: check representative V28 mappings and the documentation reminders your note needs. Free, no card.
Free PDF. No card. Unsubscribe anytime.
What This Code Means
Z36 is the ICD-10-CM diagnosis code for encounter for antenatal screening of mother. Z36 sits in the ICD-10-CM chapter for factors influencing health status and contact with health services (z00-z99), within the section covering persons encountering health services in circumstances related to reproduction (z30-z39).
Header codes like Z36 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for Z36 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Includes
- Encounter for placental sample (taken vaginally)
- Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.
Excludes 1, Do NOT code together
- 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