ICD-10-CM › Z39 Z39.1 Encounter for care and examination of lactating motherBillable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applicable to Encounter for supervision of lactation Excludes1 (never code together) disorders of lactation (O92.-) MS-DRG index Defines the logic of DRG(s) 951 in MDC 23.
Approximate ICD-9-CM (GEMs) V24.1 Postpartum care and examination of lactating motherMedicare Code Edits (MCE v43.1 (April 2026)) Maternity diagnoses (age 9 through 64) : Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.Unacceptable principal diagnosis : These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.Diagnosis Index entries for Z39.1 Care (of) (for) (following) › lactating mother Examination (for) (following) (general) (of) (routine) › lactating mother Lactation, lactating (breast) (puerperal, postpartum) › mother (care and/or examination) Supervision (of) › lactation Nearby codes Z39 Encounter for maternal postpartum care and examinationZ39.0 Encounter for care and examination of mother immediately after deliveryZ39.1 Encounter for care and examination of lactating mother (this code)Z39.2 Encounter for routine postpartum follow-up