ICD-10-CM Tabular Index · Chapter 21 · FY 2026 Z34

Encounter for supervision of normal pregnancy (Z34) ICD-10-CM

The Z34 code range covers encounter for supervision of normal pregnancy with 16 ICD-10-CM diagnosis codes. 12 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
16
Diagnosis Codes
12
Billable Codes
Z34
Code Range
Z30–Z39
Parent Section

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

ICD-10-CM

Codes in the Z34 Range 16 codes · 12 billable

16 of 16 shown
  • Z34 Encounter for supervision of normal pregnancyNon-billable
  • Z34.0 Encounter for supervision of normal first pregnancyNon-billable
  • 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 pregnancyNon-billable
  • 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, unspecifiedNon-billable
  • 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

About the Z34 Code Range

The ICD-10 code Z34 series is used to classify and document healthcare visits specifically for the supervision of a normal pregnancy. These codes allow healthcare providers to indicate the routine monitoring of pregnant individuals without pregnancy-related complications.

This section covers supervision encounters differentiated by pregnancy order and trimester. For example, Z34.0 pertains to supervision during a first pregnancy, often referenced as "primigravida" or "normal pregnancy in primigravida," while Z34.8 applies to other pregnancies (multigravida). Each can be further specified by trimester—from first to third—or left unspecified, as seen in codes like Z34.00 and Z34.80. Additionally, Z34.9 relates to unspecified normal pregnancies, including detailed scenarios such as "antenatal care from general practitioner" or "finding of fetal heart sounds," which are common terms linked to this code. Utilizing these codes helps track uncomplicated pregnancies accurately, making it easier for coders and clinicians to document routine prenatal care visits in medical records and billing.

Questions About This Page

How many billable codes are in the Z34 range?

Of the 16 codes in this range, 12 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.

What does the Z34 range classify?

The range classifies encounter for supervision of normal pregnancy. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.