Z90.12 Acquired absence of left breast and nipple

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applies from Z90 Acquired absence of organs, not elsewhere classified

Includes

• postprocedural or post-traumatic loss of body part NEC

Excludes1 (never code together)

• congenital absence - see Alphabetical Index

Excludes2 (not included here)

• postprocedural absence of endocrine glands (E89.-)

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V45.71 Acquired absence of breast and nipple (approximate)

Code annotations containing back-references to Z90.12

Back-references to Z90

• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("acquired absence of limbs and organs (Z89-Z90)")
• Use Additional: Z08 Encounter for follow-up examination after completed treatment for malignant neoplasm ("code to identify any acquired absence of organs (Z90.-)")

Nearby codes

• Z90.02 Acquired absence of larynx
• Z90.09 Acquired absence of other part of head and neck
• Z90.1 Acquired absence of breast and nipple
• Z90.10 Acquired absence of unspecified breast and nipple
• Z90.11 Acquired absence of right breast and nipple
• Z90.12 Acquired absence of left breast and nipple (this code)
• Z90.13 Acquired absence of bilateral breasts and nipples
• Z90.2 Acquired absence of lung [part of]
• Z90.3 Acquired absence of stomach [part of]
• Z90.4 Acquired absence of other specified parts of digestive tract
• Z90.41 Acquired absence of pancreas