Z3A.18 18 weeks gestation of pregnancy
ICD-10-CM · CMS code reference
Official ICD-10-CM description: 18 weeks gestation of pregnancy
Related codes
Z3A.00Weeks of gestation of pregnancy not specified ICD-10-CMZ3A.01Less than 8 weeks gestation of pregnancy ICD-10-CMZ3A.088 weeks gestation of pregnancy ICD-10-CMZ3A.099 weeks gestation of pregnancy ICD-10-CMZ3A.1010 weeks gestation of pregnancy ICD-10-CMZ3A.1111 weeks gestation of pregnancy ICD-10-CMZ3A.1212 weeks gestation of pregnancy ICD-10-CMZ3A.1313 weeks gestation of pregnancy ICD-10-CM
Common questions
Is Z3A.18 a billable code?
Yes. Z3A.18 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.