Z3A.3 ICD-10-CM Code: Weeks of gestation of pregnancy, weeks 30-39
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Z3A.3Weeks of gestation of pregnancy, weeks 30-39
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Z3A.3 sits
- 1
Chapter —
ICD-10-CM
- 2
Section
Category information
- 3
Category Z3A
Weeks of gestation
- 4
Code Z3A.3
Weeks of gestation of pregnancy, weeks 30-39
More specific choices
Codes under Z3A.3
Z3A.3 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Z3A.3030 weeks gestation of pregnancy
Z3A.3131 weeks gestation of pregnancy
Z3A.3232 weeks gestation of pregnancy
Z3A.3333 weeks gestation of pregnancy
Z3A.3434 weeks gestation of pregnancy
Z3A.3535 weeks gestation of pregnancy
Z3A.3636 weeks gestation of pregnancy
Z3A.3737 weeks gestation of pregnancy
Z3A.3838 weeks gestation of pregnancy
Z3A.3939 weeks gestation of pregnancy
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Z3A.3.
Code first
No “code first” instruction is listed for Z3A.3.
Use additional code
No “use additional code” instruction is listed for Z3A.3.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Z3A.3.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Z3A.3.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Z3A.3 mean?
Z3A.3 is the FY 2027 U.S. ICD-10-CM code for “Weeks of gestation of pregnancy, weeks 30-39.”
Is Z3A.3 a billable or specific ICD-10-CM code?
No. Z3A.3 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is Z3A.3 located in ICD-10-CM?
Z3A.3 is listed in the ICD-10-CM classification, within its applicable ICD-10-CM section, under category Z3A, Weeks of gestation.
What coding notes are listed for Z3A.3?
No inclusion terms are listed for Z3A.3 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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