Z34 Encounter for supervision of normal pregnancy

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Encounter for supervision of normal pregnancy is Z34 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
Z30-Z39: Persons encountering health services in circumstances related to reproduction (Z30-Z39)
Category Z34
16 codes (12 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with Z34.
  • any complication of pregnancy (O00-O9A)
  • encounter for pregnancy test (Z32.0-)
  • encounter for supervision of high risk pregnancy (O09.-)

Official Coding Guidelines

Routine outpatient prenatal: Z34 first-listed; not with Ch 15 codes

b. Selection of OB Principal or First-listed Diagnosis 1) Routine outpatient prenatal visits For routine outpatient prenatal visits when no complications are present, a code from category Z34, Encounter for supervision of normal pregnancy, should be used as the first-listed diagnosis. These codes should not be used in conjunction with chapter 15 codes.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.15.b.1
Z34 supervision of normal pregnancy—always first listed/not with OB

Codes in category Z34, Encounter for supervision of normal pregnancy, are always first listed and are not to be used with any other code from the OB chapter.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.21.11

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

Z34.0 Encounter for supervision of normal first pregnancy Z34.00 Encounter for supervision of normal first pregnancy, unspecified trimester Z34.01 Encounter for supervision of normal first pregnancy, first trimester Z34.02 Encounter for supervision of normal first pregnancy, second trimester Z34.03 Encounter for supervision of normal first pregnancy, third trimester Z34.8 Encounter for supervision of other normal pregnancy Z34.80 Encounter for supervision of other normal pregnancy, unspecified trimester Z34.81 Encounter for supervision of other normal pregnancy, first trimester Z34.82 Encounter for supervision of other normal pregnancy, second trimester Z34.83 Encounter for supervision of other normal pregnancy, third trimester Z34.9 Encounter for supervision of normal pregnancy, unspecified Z34.90 Encounter for supervision of normal pregnancy, unspecified, unspecified trimester Z34.91 Encounter for supervision of normal pregnancy, unspecified, first trimester Z34.92 Encounter for supervision of normal pregnancy, unspecified, second trimester Z34.93 Encounter for supervision of normal pregnancy, unspecified, third trimester

Related Codes in Z34

Z34.0 Encounter for supervision of normal first pregnancy Z34.00 Encounter for supervision of normal first pregnancy, unspecified trimester Z34.01 Encounter for supervision of normal first pregnancy, first trimester Z34.02 Encounter for supervision of normal first pregnancy, second trimester Z34.03 Encounter for supervision of normal first pregnancy, third trimester Z34.8 Encounter for supervision of other normal pregnancy Z34.80 Encounter for supervision of other normal pregnancy, unspecified trimester Z34.81 Encounter for supervision of other normal pregnancy, first trimester Z34.82 Encounter for supervision of other normal pregnancy, second trimester Z34.83 Encounter for supervision of other normal pregnancy, third trimester Z34.9 Encounter for supervision of normal pregnancy, unspecified Z34.90 Encounter for supervision of normal pregnancy, unspecified, unspecified trimester Z34.91 Encounter for supervision of normal pregnancy, unspecified, first trimester Z34.92 Encounter for supervision of normal pregnancy, unspecified, second trimester Z34.93 Encounter for supervision of normal pregnancy, unspecified, third trimester
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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