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ICD-10-CM 2027 diagnosis code

Z34.9Encounter for supervision of normal pregnancy, unspecified

Not billable — use a more specific code

Z34.9 is a header code, so it can't be reported by itself. Choose one of the 4 more specific codes beneath it.

Looking up by condition? See ICD-10 code for Normal pregnancy, ICD-10 code for Examination normal pregnancy, ICD-10 code for Prenatal care only pregnancy.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About Z34.9

Z34.9 is the ICD-10-CM diagnosis code for encounter for supervision of normal pregnancy, unspecified. It belongs to category Z34 (encounter for supervision of normal pregnancy), block Z30-Z39 (persons encountering health services in circumstances related to reproduction) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 4 subcodes must be used instead.

Within Z34, choose Z34.9 (unspecified) only when documentation doesn't support a more specific option: normal first pregnancy (Z34.0) and other normal pregnancy (Z34.8).

To report this condition, pick the subcode that matches the documentation: Z34.90 (unspecified trimester), Z34.91 (first trimester), Z34.92 (second trimester) and Z34.93 (third trimester).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under Z34.9

Notes that apply from higher levels

Instructions written at a parent level also apply to Z34.9.

› From Z34 Encounter for supervision of normal pregnancy
Excludes1
  • any complication of pregnancy (O00-O9A)
  • encounter for pregnancy test (Z32.0-)
  • encounter for supervision of high risk pregnancy (O09.-)

Broader instructions also apply from Chapter 21: Factors influencing health status and contact with health services.

Alphabetic index entries

6 entries

Terms in the official ICD-10-CM index that lead to Z34.9.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about Z34.9

Is Z34.9 billable?

No. Z34.9 is a header code. Report one of its more specific subcodes instead.