ICD-10-CM · Z34.90
ICD-10 Z34.90: Encounter for supervision of normal pregnancy, unspecified, unspecified trimester
Routine OB visit, low-risk pregnancy. Use specific trimester (Z34.91, Z34.92, Z34.93) when known.
Code
Z34.90
Category
Factors influencing health status (Z00-Z99)
Clinical context
Routine OB visit, low-risk pregnancy. Use specific trimester (Z34.91, Z34.92, Z34.93) when known.
Documentation requirements
- LMP/EDD
- Risk status
- Trimester per dating
Common related procedures
- 59425/59426 antepartum care bundle
Common payer denial patterns
- Use specific trimester code
- Bundled global vs unbundled visit billing
Frequently asked questions
What does ICD-10 Z34.90 mean?
Encounter for supervision of normal pregnancy, unspecified, unspecified trimester
When is this code documented?
Routine OB visit, low-risk pregnancy. Use specific trimester (Z34.91, Z34.92, Z34.93) when known.
What documentation supports this code?
LMP/EDD; Risk status; Trimester per dating.
What are common denials associated with this diagnosis?
Use specific trimester code; Bundled global vs unbundled visit billing.
Related diagnoses
- Z00.00 — Encounter for general adult medical examination without abnormal findings
- Z00.121 — Encounter for routine child health examination with abnormal findings
- Z00.129 — Encounter for routine child health examination without abnormal findings
- Z01.419 — Encounter for gynecological examination without abnormal findings
- Z11.51 — Encounter for screening for human papillomavirus (HPV)
- Z12.11 — Encounter for screening for malignant neoplasm of colon
Sources
Catch Z34.90 documentation gaps before claim submission
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