ICD-10-CM · Chapter 21 · Z00-Z99
Z34 Encounter for supervision of normal pregnancy
Excludes 1 (cannot be coded together)
- any complication of pregnancy (O00-O9A)
- encounter for pregnancy test (Z32.0-)
- encounter for supervision of high risk pregnancy (O09.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z34..0 | Encounter for supervision of normal first pregnancy | No |
| Z34..00 | Encounter for supervision of normal first pregnancy, unspecified trimester | Yes |
| Z34..01 | Encounter for supervision of normal first pregnancy, first trimester | Yes |
| Z34..02 | Encounter for supervision of normal first pregnancy, second trimester | Yes |
| Z34..03 | Encounter for supervision of normal first pregnancy, third trimester | Yes |
| Z34..8 | Encounter for supervision of other normal pregnancy | No |
| Z34..80 | Encounter for supervision of other normal pregnancy, unspecified trimester | Yes |
| Z34..81 | Encounter for supervision of other normal pregnancy, first trimester | Yes |
| Z34..82 | Encounter for supervision of other normal pregnancy, second trimester | Yes |
| Z34..83 | Encounter for supervision of other normal pregnancy, third trimester | Yes |
| Z34..9 | Encounter for supervision of normal pregnancy, unspecified | No |
| Z34..90 | Encounter for supervision of normal pregnancy, unspecified, unspecified trimester | Yes |
| Z34..91 | Encounter for supervision of normal pregnancy, unspecified, first trimester | Yes |
| Z34..92 | Encounter for supervision of normal pregnancy, unspecified, second trimester | Yes |
| Z34..93 | Encounter for supervision of normal pregnancy, unspecified, third trimester | Yes |
Plain-language terms for this code
The following entries in the US Medical Glossary correspond to ICD-10-CM category Z34:
- Prenatal Care — Atención prenatal
- Trimester — Trimestre
- Gestational Age — Edad gestacional
- Due Date — Fecha probable de parto
Last reviewed: September 2026