Z34.90 — Encounter for supervision of normal pregnancy, unspecified, unspecified trimester

Z34.90

ICD-10 Chapter 21: Factors Influencing Health Status — illustrative image — Chapter 21: Factors influencing health status and contact with health services (Z00–Z99) — illustrative image

What this code means

Encounters for supervision (routine antenatal care) of a normal pregnancy; trimester not specified.

Also called: normal pregnancy supervision, antenatal care.

When this code is used

Used for encounter for supervision of normal pregnancy, unspecified, unspecified trimester.

Where it sits in ICD-10-CM

Code Z34.90 belongs to Chapter 21: Factors influencing health status and contact with health services, which covers codes Z00–Z99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Learn more about this condition

Condition guide: Pregnancy

Frequently asked questions

What is ICD-10-CM code Z34.90?

Z34.90 is the ICD-10-CM diagnosis code for “Encounter for supervision of normal pregnancy, unspecified, unspecified trimester”. Encounters for supervision (routine antenatal care) of a normal pregnancy; trimester not specified.

When is code Z34.90 used?

Used for encounter for supervision of normal pregnancy, unspecified, unspecified trimester. It belongs to Chapter 21 of ICD-10-CM (Factors influencing health status and contact with health services).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.