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Z36 ⚠ Non-billable

Encounter for antenatal screening of mother

ICD-10-CM · FY2026 · Factors Influencing Health Status

Code
Z36
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

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.
Excludes1 — never 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
Excludes2 — not included here, but may code together
  • abnormal findings on antenatal screening of mother (O28.-)
  • genetic counseling and testing (Z31.43-, Z31.5)
  • routine prenatal care (Z34)

Frequently asked questions

What is ICD-10 code Z36?
ICD-10-CM code Z36 represents Encounter for antenatal screening of mother. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z36 billable?
No. Z36 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Z36 in?
Z36 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.

Related codes in the Z36 category

Z36.0 Encounter for antenatal screening for chromosomal anomalies Billable Z36.1 Encounter for antenatal screening for raised alphafetoprotein level Billable Z36.2 Encounter for other antenatal screening follow-up Billable Z36.3 Encounter for antenatal screening for malformations Billable Z36.4 Encounter for antenatal screening for fetal growth retardation Billable Z36.5 Encounter for antenatal screening for isoimmunization Billable Z36.8 Encounter for other antenatal screening Non-billable Z36.9 Encounter for antenatal screening, unspecified Billable

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