Z89.019

Z89.019: Acquired absence of unspecified thumb

Billable / specific codeICD-10-CMPOA exempt

Z89.019 is a billable, specific ICD-10-CM code for acquired absence of unspecified thumb. It is valid for submission on a claim.

Check Z89.019 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Z89.019

A category’s note binds every code beneath it.

Written on Z89: Acquired absence of limb

acquired deformities of limbs (M20-M21)
congenital absence of limbs (Q71-Q73)

Other codes that can never be billed with Z89.019

Their own Excludes1 notes name this code, so the conflict is not listed above.

M20Acquired deformities of fingers and toes
M21Other acquired deformities of limbs

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z89.019 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A53064Billing and Coding: Outpatient Occupational Therapy

Code history

Unchanged in every release from FY2024 to FY2027.