Z36
Non-Billable

Encounter for antenatal screening of mother

Non-Billable / Non-Specific Code

What is Encounter for antenatal screening of mother?

ICD-10-CM Z36 is the diagnosis code for Encounter for antenatal screening of mother. This code falls under the section "Persons encountering health services in circumstances related to reproduction" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1
â„šī¸ Excludes2

Coding Guidelines for Z36

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Z36. They are mutually exclusive:

  • 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

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in Z36. If the patient has both, code each condition separately:

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

ICD-10-CM Code Hierarchy

Understanding where Z36 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 8 entries
Z36.0Encounter for antenatal screening for chromosomal anomaliesBillableZ36.1Encounter for antenatal screening for raised alphafetoprotein levelBillableZ36.2Encounter for other antenatal screening follow-upBillableZ36.3Encounter for antenatal screening for malformationsBillableZ36.4Encounter for antenatal screening for fetal growth retardationBillableZ36.5Encounter for antenatal screening for isoimmunizationBillableZ36.8Encounter for other antenatal screeningNon-BillableZ36.81Encounter for antenatal screening for hydrops fetalisBillableZ36.82Encounter for antenatal screening for nuchal translucencyBillableZ36.83Encounter for fetal screening for congenital cardiac abnormalitiesBillableZ36.84Encounter for antenatal screening for fetal lung maturityBillableZ36.85Encounter for antenatal screening for Streptococcus BBillableZ36.86Encounter for antenatal screening for cervical lengthBillableZ36.87Encounter for antenatal screening for uncertain datesBillableZ36.88Encounter for antenatal screening for fetal macrosomiaBillableZ36.89Encounter for other specified antenatal screeningBillableZ36.8AEncounter for antenatal screening for other genetic defectsBillableZ36.9Encounter for antenatal screening, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is Z36 a billable ICD-10-CM code?

No, Z36 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does Z36 mean?

Z36 is the ICD-10-CM diagnosis code for "Encounter for antenatal screening of mother". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is Z36 in?

Z36 is located in Section Z30-Z39 — "Persons encountering health services in circumstances related to reproduction" within Chapter 21 of the ICD-10-CM Tabular List.

What are the sub-codes of Z36?

Z36 has 8 sub-code(s) that provide more specific detail: Z36.0, Z36.1, Z36.2, Z36.3, Z36.4 and more.

When should I use Z36?

Use Z36 when the patients documented diagnosis matches "Encounter for antenatal screening of mother" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Encounter for antenatal screening of mother?

The ICD-10-CM code for Encounter for antenatal screening of mother is Z36.

Can Z36 be used for primary diagnosis?

No, Z36 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is Z36 in?

Z36 is in Chapter 21 of the ICD-10-CM Tabular List.

What conditions are excluded from Z36?

Type 1 Excludes for Z36 include: 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.

Is Z36 valid for 2026?

Yes, Z36 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousZ34.93Encounter for supervision of normal pregnancy, unspecified, third trimesterNext →Z36.0Encounter for antenatal screening for chromosomal anomalies
Code Details
Z36
Encounter for antenatal screening of mother
Non-Billable / Non-Specific Code
21 — Factors influencing health status and contact with health services (Z00-Z99)
Z30-Z39 — Persons encountering health services in circumstances related to reproduction
2026 ICD-10-CM