Z90: Acquired absence of organs, not elsewhere classified
Codes under Z90 (Acquired absence of organs, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z90.0 | Acquired absence of part of head and neck | — |
| Z90.0 | Acquired absence of part of head and neck | — |
| Z90.01 | Acquired absence of eye | ✓ |
| Z90.01 | Acquired absence of eye | ✓ |
| Z90.1 | Acquired absence of breast and nipple | — |
| Z90.1 | Acquired absence of breast and nipple | — |
| Z90.02 | Acquired absence of larynx | ✓ |
| Z90.02 | Acquired absence of larynx | ✓ |
| Z90.2 | Acquired absence of lung [part of] | ✓ |
| Z90.2 | Acquired absence of lung [part of] | ✓ |
| Z90.3 | Acquired absence of stomach [part of] | ✓ |
| Z90.3 | Acquired absence of stomach [part of] | ✓ |
| Z90.4 | Acquired absence of other specified parts of digestive tract | — |
| Z90.4 | Acquired absence of other specified parts of digestive tract | — |
| Z90.5 | Acquired absence of kidney | ✓ |
| Z90.5 | Acquired absence of kidney | ✓ |
| Z90.6 | Acquired absence of other parts of urinary tract | ✓ |
| Z90.6 | Acquired absence of other parts of urinary tract | ✓ |
| Z90.7 | Acquired absence of genital organ(s) | — |
| Z90.7 | Acquired absence of genital organ(s) | — |
| Z90.8 | Acquired absence of other organs | — |
| Z90.8 | Acquired absence of other organs | — |
| Z90.09 | Acquired absence of other part of head and neck | ✓ |
| Z90.09 | Acquired absence of other part of head and neck | ✓ |
| Z90.10 | Acquired absence of unspecified breast and nipple | ✓ |
| Z90.10 | Acquired absence of unspecified breast and nipple | ✓ |
| Z90.11 | Acquired absence of right breast and nipple | ✓ |
| Z90.11 | Acquired absence of right breast and nipple | ✓ |
| Z90.12 | Acquired absence of left breast and nipple | ✓ |
| Z90.12 | Acquired absence of left breast and nipple | ✓ |
| Z90.13 | Acquired absence of bilateral breasts and nipples | ✓ |
| Z90.13 | Acquired absence of bilateral breasts and nipples | ✓ |
| Z90.41 | Acquired absence of pancreas | — |
| Z90.41 | Acquired absence of pancreas | — |
| Z90.49 | Acquired absence of other specified parts of digestive tract | ✓ |
| Z90.49 | Acquired absence of other specified parts of digestive tract | ✓ |
| Z90.71 | Acquired absence of cervix and uterus | — |
| Z90.71 | Acquired absence of cervix and uterus | — |
| Z90.72 | Acquired absence of ovaries | — |
| Z90.72 | Acquired absence of ovaries | — |
| Z90.79 | Acquired absence of other genital organ(s) | ✓ |
| Z90.79 | Acquired absence of other genital organ(s) | ✓ |
| Z90.81 | Acquired absence of spleen | ✓ |
| Z90.81 | Acquired absence of spleen | ✓ |
| Z90.89 | Acquired absence of other organs | ✓ |
| Z90.89 | Acquired absence of other organs | ✓ |
| Z90.410 | Acquired total absence of pancreas | ✓ |
| Z90.410 | Acquired total absence of pancreas | ✓ |
| Z90.411 | Acquired partial absence of pancreas | ✓ |
| Z90.411 | Acquired partial absence of pancreas | ✓ |
| Z90.710 | Acquired absence of both cervix and uterus | ✓ |
| Z90.710 | Acquired absence of both cervix and uterus | ✓ |
| Z90.711 | Acquired absence of uterus with remaining cervical stump | ✓ |
| Z90.711 | Acquired absence of uterus with remaining cervical stump | ✓ |
| Z90.712 | Acquired absence of cervix with remaining uterus | ✓ |
| Z90.712 | Acquired absence of cervix with remaining uterus | ✓ |
| Z90.721 | Acquired absence of ovaries, unilateral | ✓ |
| Z90.721 | Acquired absence of ovaries, unilateral | ✓ |
| Z90.722 | Acquired absence of ovaries, bilateral | ✓ |
| Z90.722 | Acquired absence of ovaries, bilateral | ✓ |
Frequently asked questions
What is ICD-10-CM code Z90?
Z90 is an ICD-10-CM category covering Acquired absence of organs, not elsewhere classified. It contains 60 more specific diagnosis codes, 44 of which are billable.
Is Z90 a billable code?
No — Z90 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z90.0 — Acquired absence of part of head and neck). 44 of the 60 codes under Z90 are billable.
What codes fall under Z90?
Z90 includes Z90.0, Z90.0, Z90.01, Z90.01, Z90.1, plus 55 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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