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Z90

⚠ Non-billable (Header)

Acquired absence of organs, not elsewhere classified

Factors influencing health status and contact with health services (Z00-Z99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ Includes

  • • postprocedural or post-traumatic loss of body part NEC

❌ Excludes1

direct

Cannot be coded with Z90

  • • congenital absence - see Alphabetical Index

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • postprocedural absence of endocrine glands (E89.-)

Child Codes (9)

Z90.0Acquired absence of part of head and neckZ90.1Acquired absence of breast and nippleZ90.2Acquired absence of lung [part of]Z90.3Acquired absence of stomach [part of]Z90.4Acquired absence of other specified parts of digestive tractZ90.5Acquired absence of kidneyZ90.6Acquired absence of other parts of urinary tractZ90.7Acquired absence of genital organ(s)Z90.8Acquired absence of other organs

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Code Information

CodeZ90
BillableNo — Header code
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes11 rule(s)
Excludes21 note(s)
Child codes9

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)