Z3A.1 — Weeks of gestation of pregnancy, weeks 10-19
Not billable
Is Z3A.1 billable?
No — Z3A.1 is a non-billable header code. Z3A.1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 10 billable codes beneath Z3A.1.
Billable codes under this header
- 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
- Z3A.1818 weeks gestation of pregnancy
- Z3A.1919 weeks gestation of pregnancy
Z3A.1 at a glance
| Code | Z3A.1 |
|---|---|
| Description | Weeks of gestation of pregnancy, weeks 10-19 |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Code first — inherited from Z3A
The underlying condition below must be sequenced before Z3A.1. Z3A.1 describes a manifestation and cannot be the principal or first-listed diagnosis.
What codes fall under Z3A.1? (10)
- 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
- Z3A.1818 weeks gestation of pregnancy
- Z3A.1919 weeks gestation of pregnancy
How long has Z3A.1 existed?
Z3A.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.