Z3A.42 42 weeks gestation of pregnancy
ICD-10-CM · CMS code reference
Official ICD-10-CM description: 42 weeks gestation of pregnancy
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Note
- Codes from category Z3A are for use, only on the maternal record, to indicate the weeks of gestation of the pregnancy, if known.
Code first
Code the underlying condition first, then this code.
- obstetric condition or encounter for delivery (O09-O60, O80-O82, O94-O9A)
Related codes
Z3A.3535 weeks gestation of pregnancy ICD-10-CMZ3A.3636 weeks gestation of pregnancy ICD-10-CMZ3A.3737 weeks gestation of pregnancy ICD-10-CMZ3A.3838 weeks gestation of pregnancy ICD-10-CMZ3A.3939 weeks gestation of pregnancy ICD-10-CMZ3A.4040 weeks gestation of pregnancy ICD-10-CMZ3A.4141 weeks gestation of pregnancy ICD-10-CMZ3A.49Greater than 42 weeks gestation of pregnancy ICD-10-CM
Common questions
Is Z3A.42 a billable code?
Yes. Z3A.42 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.