Z3A.19Billable
19 weeks gestation of pregnancy
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z3A
- Effective date
- October 1, 2026
Related codes in category Z3A
Z3AWeeks of gestationZ3A.0Weeks of gestation of pregnancy, unsp or less than 10 weeksZ3A.00Weeks of gestation of pregnancy not specifiedYesZ3A.01Less than 8 weeks gestation of pregnancyYesZ3A.088 weeks gestation of pregnancyYesZ3A.099 weeks gestation of pregnancyYesZ3A.1Weeks of gestation of pregnancy, weeks 10-19Z3A.1010 weeks gestation of pregnancyYesZ3A.1111 weeks gestation of pregnancyYesZ3A.1212 weeks gestation of pregnancyYesZ3A.1313 weeks gestation of pregnancyYesZ3A.1414 weeks gestation of pregnancyYes
Frequently asked questions
What is ICD-10 code Z3A.19?
Z3A.19 is an ICD-10-CM diagnosis code for 19 weeks gestation of pregnancy.
Is Z3A.19 a billable code?
Yes. Z3A.19 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Z3A.19 in?
Z3A.19 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z3A.19 become effective?
Z3A.19 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z3A.19?
Z3A.19 belongs to category Z3A, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.