Z90.09
Z90.09: Acquired absence of other part of head and neck
Billable / specific codeICD-10-CMPOA exempt
Z90.09 is a billable, specific ICD-10-CM code for acquired absence of other part of head and neck. It is valid for submission on a claim.
Check Z90.09 with the rest of the claim: free scrubberExcludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- teeth (K08.1)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Acquired absence of nose
Excludes1 inherited from the categories above Z90.09
A category’s note binds every code beneath it.
Written on Z90: Acquired absence of organs, not elsewhere classified
- congenital absence - see Alphabetical Index
Excludes2 inherited from the categories above Z90.09
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Absence›head, part NEC(acquired)
- Absence›nose›acquired
Code history
Unchanged in every release from FY2024 to FY2027.