MCMedicalCodingSoftware
Z34.0

Z34.0Encounter for supervision of normal first pregnancy

Non-billable headerICD-10-CM

Z34.0 is a non-billable header ICD-10-CM code for encounter for supervision of normal first pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above Z34.0

These are not written on Z34.0, but they bind it: a note on a category applies to every code beneath it. Billing Z34.0 with anything listed here is a denial.

Written on Z34 Encounter for supervision of normal pregnancy

  • any complication of pregnancy (O00-O9A)
  • encounter for pregnancy test (Z32.0-)
  • encounter for supervision of high risk pregnancy (O09.-)

Risk adjustment

Z34.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code history

Z34.0 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead Z34.0

4 child codes. Green means billable.

Related codes at this level

Codes that share Z34. If Z34.0 is not quite right, the correct code is usually one of these.

Questions about Z34.0

Is Z34.0 a billable ICD-10-CM code?
No. Z34.0 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does Z34.0 sit in the tabular list?
Factors influencing health status and contact with health services (Z00-Z99), in the block Persons encountering health services in circumstances related to reproduction (Z30-Z39).
What cannot be coded together with Z34.0?
Z34.0 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z34.0 (Z34) and apply to it just the same.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.