Z89.44

Z89.44: Acquired absence of ankle

Non-billable headerICD-10-CM

Z89.44 is a non-billable header ICD-10-CM code for acquired absence of ankle. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Disarticulation of ankle

Excludes1 inherited from the categories above Z89.44

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 Z89.44

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.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Z89.44

3 child codes. Green means billable.

Z89.441Acquired absence of right ankle
Z89.442Acquired absence of left ankle
Z89.449Acquired absence of unspecified ankle

Other codes under Z89.4

Z89.41Acquired absence of great toe
Z89.42Acquired absence of other toe(s)
Z89.43Acquired absence of foot