ICD-10-CM · Chapter 21 · Z00–Z99
Z3A.3
Weeks of gestation of pregnancy, weeks 30-39
Factors influencing health status and contact with health services
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- Z3A.3
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 21 — Factors influencing health status and contact with health services
- Category
- Z3A — Weeks of gestation
- Specificity
- 4 characters
How coders use this code
ICD-10-CM Z3A.3 is a category (header) for weeks of gestation of pregnancy, weeks 30-39. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in Z3A
- Z3AWeeks of gestation
- Z3A.0Weeks of gestation of pregnancy, unspecified or less than 10 weeks
- Z3A.00Weeks of gestation of pregnancy not specified
- Z3A.01Less than 8 weeks gestation of pregnancy
- Z3A.088 weeks gestation of pregnancy
- Z3A.099 weeks gestation of pregnancy
- Z3A.1Weeks of gestation of pregnancy, weeks 10-19
- Z3A.1010 weeks gestation of pregnancy
- Z3A.1111 weeks gestation of pregnancy
- Z3A.1212 weeks gestation of pregnancy
- Z3A.1313 weeks gestation of pregnancy
- Z3A.1414 weeks gestation of pregnancy
- Z3A.1515 weeks gestation of pregnancy
- Z3A.1616 weeks gestation of pregnancy
- Z3A.1717 weeks gestation of pregnancy
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