ICD-10/Z89.61

Z89.61 ICD 2026 Code: Acquired absence of leg above knee

Z89.61 is the authoritative medical code for Acquired absence of leg above knee. This classification is used in medical billing and clinical recording to specify the clinical criteria for acquired absence of leg above knee (ICD-10-CM Z89.61), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Acquired absence of leg above knee is a non-billable ICD-10-CM category code Z89.61. A more specific billable subcode must be selected for claims submission. Includes: amputation status; postprocedural loss of limb; post-traumatic loss of limb. Inclusion terms: Acquired absence of leg NOS; Disarticulation at knee. Excludes1 (not coded here): acquired deformities of limbs M20-M21; congenital absence of limbs Q71-Q73. Code also: any follow-up examination Z08-Z09.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Z89.61 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • amputation status
  • postprocedural loss of limb
  • post-traumatic loss of limb

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Acquired absence of leg NOS
  • Disarticulation at knee

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • acquired deformities of limbs M20-M21
  • congenital absence of limbs Q71-Q73

Code Also

Additional codes that may be required to fully describe the encounter.

  • any follow-up examination Z08-Z09

Frequently Asked Questions (FAQ) & Clinical Guidance

Can Z89.61 be billed directly?

No. Z89.61 (Acquired absence of leg above knee) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with Z89.61?

Per Excludes1 instructions, Z89.61 must not be reported with: acquired deformities of limbs (M20-M21); congenital absence of limbs (Q71-Q73).

What conditions are included under Z89.61?

Acquired absence of leg above knee includes: Acquired absence of leg NOS; Disarticulation at knee.

Codes in This Family (40)

Official ICD-10-CM classifications in the same code family as Z89.61, with their registry titles.

  • Z89 — Acquired absence of limb
  • Z89.0 — Acquired absence of thumb and other finger(s)
  • Z89.01 — Acquired absence of thumb
  • Z89.011 — Acquired absence of right thumb
  • Z89.012 — Acquired absence of left thumb
  • Z89.019 — Acquired absence of unspecified thumb
  • Z89.02 — Acquired absence of other finger(s)
  • Z89.021 — Acquired absence of right finger(s)
  • Z89.022 — Acquired absence of left finger(s)
  • Z89.029 — Acquired absence of unspecified finger(s)
  • Z89.1 — Acquired absence of hand and wrist
  • Z89.11 — Acquired absence of hand
  • Z89.111 — Acquired absence of right hand
  • Z89.112 — Acquired absence of left hand
  • Z89.119 — Acquired absence of unspecified hand
  • Z89.12 — Acquired absence of wrist
  • Z89.121 — Acquired absence of right wrist
  • Z89.122 — Acquired absence of left wrist
  • Z89.129 — Acquired absence of unspecified wrist
  • Z89.2 — Acquired absence of upper limb above wrist
  • Z89.20 — Acquired absence of upper limb, unspecified level
  • Z89.201 — Acquired absence of right upper limb, unspecified level
  • Z89.202 — Acquired absence of left upper limb, unspecified level
  • Z89.209 — Acquired absence of unspecified upper limb, unspecified level
  • Z89.21 — Acquired absence of upper limb below elbow
  • Z89.211 — Acquired absence of right upper limb below elbow
  • Z89.212 — Acquired absence of left upper limb below elbow
  • Z89.219 — Acquired absence of unspecified upper limb below elbow
  • Z89.22 — Acquired absence of upper limb above elbow
  • Z89.221 — Acquired absence of right upper limb above elbow
  • Z89.222 — Acquired absence of left upper limb above elbow
  • Z89.229 — Acquired absence of unspecified upper limb above elbow
  • Z89.23 — Acquired absence of shoulder
  • Z89.231 — Acquired absence of right shoulder
  • Z89.232 — Acquired absence of left shoulder
  • Z89.239 — Acquired absence of unspecified shoulder
  • Z89.4 — Acquired absence of toe(s), foot, and ankle
  • Z89.41 — Acquired absence of great toe
  • Z89.411 — Acquired absence of right great toe
  • Z89.412 — Acquired absence of left great toe

Related Codes & Numerical Sequence (Crawl Map)

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