All ICD10 Codes

Z3A

Non-Billable
ChapterZ00–Z99
Rankcategory
Official Description

Weeks of gestation

Use a more specific code (0 billable, 5 non-billable)
Z3A.0Weeks of gestation of pregnancy, unspecified or less than 10 weekshas subcodesZ3A.1Weeks of gestation of pregnancy, weeks 10-19has subcodesZ3A.2Weeks of gestation of pregnancy, weeks 20-29has subcodesZ3A.3Weeks of gestation of pregnancy, weeks 30-39has subcodesZ3A.4Weeks of gestation of pregnancy, weeks 40 or greaterhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Code First

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z30-Z39Persons encountering health services in circumstances related to reproduction (Z30-Z39)
Z3AWeeks of gestationNot billable
Z3A.0Weeks of gestation of pregnancy, unspecified or less than 10 weeksSubcodes
Z3A.1Weeks of gestation of pregnancy, weeks 10-19Subcodes
Z3A.2Weeks of gestation of pregnancy, weeks 20-29Subcodes
Z3A.3Weeks of gestation of pregnancy, weeks 30-39Subcodes
Z3A.4Weeks of gestation of pregnancy, weeks 40 or greaterSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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