O92.3 Agalactia

Billable ICD-10-CM code, FY2026.

Applicable to

• Primary agalactia

Excludes1 (never code together)

• Elective agalactia (O92.5)
• Secondary agalactia (O92.5)
• Therapeutic agalactia (O92.5)

MS-DRG index

Defines the logic of DRG(s) 769 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 676.42 Failure of lactation, delivered, with mention of postpartum complication (approximate)
• 676.44 Failure of lactation, postpartum condition or complication (approximate)

Medicare 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.

Code annotations containing back-references to O92.3

Back-references to O92.3

• Type 1 Excludes: O92.5 Suppressed lactation ("primary agalactia (O92.3)")

Back-references to O92

• Type 1 Excludes: Z39.1 Encounter for care and examination of lactating mother ("disorders of lactation (O92.-)")

Diagnosis Index entries for O92.3

• Agalactia (primary)
• Failure, failed › lactation (complete)
• Lactation, lactating (breast) (puerperal, postpartum) › failed (complete)
• Puerperal, puerperium (complicated by, complications) › failure › lactation (complete)

Nearby codes

• O92.12 Cracked nipple associated with the puerperium
• O92.13 Cracked nipple associated with lactation
• O92.2 Other and unspecified disorders of breast associated with pregnancy and the puerperium
• O92.20 Unspecified disorder of breast associated with pregnancy and the puerperium
• O92.29 Other disorders of breast associated with pregnancy and the puerperium
• O92.3 Agalactia (this code)
• O92.4 Hypogalactia
• O92.5 Suppressed lactation
• O92.6 Galactorrhea
• O92.7 Other and unspecified disorders of lactation
• O92.70 Unspecified disorders of lactation