Is Z89.519 a billable ICD-10-CM code?

Yes. Z89.519 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z89.519 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).

What cannot be coded together with Z89.519?

Z89.519 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z89.519 (Z89) and apply to it just the same.

Z89.519

Z89.519 — Acquired absence of unspecified leg below knee

Billable / specific codeICD-10-CMPOA exemptunspecified

Z89.519 is a billable, specific ICD-10-CM code for acquired absence of unspecified leg below knee. It is valid for submission on a claim.

Excludes1 inherited from the categories above Z89.519

These are not written on Z89.519, but they bind it: a note on a category applies to every code beneath it. Billing Z89.519 with anything listed here is a denial.

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 Z89.519

These codes carry an Excludes1 note pointing at Z89.519. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Z89.519 alone.

M20Acquired deformities of fingers and toes
M21Other acquired deformities of limbs

Risk adjustment

Z89.519 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 409 Amputation Status, Lower Limb/Amputation Complications0.598 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

Z89.519 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A53064Billing and Coding: Outpatient Occupational Therapy

Code history

Z89.519 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share Z89.51. If Z89.519 is not quite right, the correct code is usually one of these.

Questions about Z89.519

Is Z89.519 a billable ICD-10-CM code?: Yes. Z89.519 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z89.519 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
What cannot be coded together with Z89.519?: Z89.519 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Z89.519 (Z89) and apply to it just the same.