Z39.1 – Encounter for care and examination of lactating mother
ICD-10-CM 2027 diagnosis code · Persons encountering health services in circumstances related to reproduction
ICD-10-CM code
Z39.1
- Code
Z39.1(claims format:Z391)- Description
- Encounter for care and examination of lactating mother
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z30-Z39 Persons encountering health services in circumstances related to reproduction
- Parent codes
- Z39
Notes for Z39.1
Applicable to:
- Encounter for supervision of lactation
Excludes1 (not coded here):
- disorders of lactation (O92.-)
Index terms for Z39.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Z39
Frequently asked questions
What is ICD-10 code Z39.1?
Z39.1 is the ICD-10-CM code for encounter for care and examination of lactating mother, in the block Z30-Z39 (Persons encountering health services in circumstances related to reproduction).
Is Z39.1 a billable code?
Yes. Z39.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z39.1 belong to?
It belongs to category Z39 – Encounter for maternal postpartum care and examination.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.