O92.79 Other disorders of lactation

The ICD-10-CM code for Other disorders of lactation is O92.79 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O85-O92: Complications predominantly related to the puerperium (O85-O92)

Category O92

27 codes (20 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O92.79:

• Caked breast (puerperal, postpartum)
• Retention › milk (puerperal, postpartum)
• Milk › retention
• Lactation, lactating (breast) (puerperal, postpartum) › disorder NEC
• Disorder (of) › lactation NEC
• Galactocele (breast) › puerperal, postpartum
• Disorder (of) › breast › lactation disorder NEC
• Engorgement › breast › puerperal, postpartum

Inclusion Terms

• Puerperal galactocele

U.S. Hospital Utilization

• An estimated 995 U.S. inpatient stays in 2023 included O92.79 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)