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Z89.619
ICD-10-CM
Above-the-Knee Amputation

Understanding Above-the-Knee Amputation (AKA) diagnosis, also known as Transfemoral Amputation? Find information on clinical documentation, medical coding, and healthcare best practices for AKA. This resource covers essential terms related to Above-the-Knee Amputation for accurate medical records and optimal patient care. Learn more about A: Above-the-Knee Amputation and Transfemoral Amputation procedures and post-operative care.

Also known as

AKA
Transfemoral Amputation

Diagnosis Snapshot

Key Facts
  • Definition : Surgical removal of the leg above the knee joint.
  • Clinical Signs : Absent leg portion, surgical scar, potential phantom limb pain.
  • Common Settings : Trauma, peripheral artery disease, infection, tumor removal.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC Z89.619 Coding
Z89.41-

Acquired absence of limb above knee

Indicates acquired absence of leg at or above knee level.

Z89.6-

Acquired absence of lower limb

Covers acquired absence of leg, including above and below knee.

S78.-

Injury of lower leg

Includes various lower leg injuries, potentially leading to amputation.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the amputation traumatic?

  • Yes

    Dominant leg?

  • No

    Due to peripheral vascular disease?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Amputation above the knee joint.
Amputation below the knee joint.
Partial foot amputation.

Documentation Best Practices

Documentation Checklist
  • Above-the-knee amputation (AKA) diagnosis documentation:
  • Confirm AKA laterality (right or left).
  • Specify amputation level: e.g., midthigh, distal femur.
  • Document reason for AKA: e.g., trauma, PVD.
  • Record any complications: e.g., phantom limb pain, infection.

Coding and Audit Risks

Common Risks
  • Laterality Coding

    Missing or incorrect laterality (right, left, bilateral) can lead to claim denials and inaccurate reporting for AKA procedures.

  • Specificity of AKA

    Coding AKA without specifying the level (e.g., high, mid-thigh) may impact reimbursement and quality metrics. CDI crucial.

  • Cause of Amputation

    Underlying cause (e.g., diabetes, trauma) must be documented and coded accurately for proper risk adjustment and analytics.

Mitigation Tips

Best Practices
  • Pre-op: Optimize vascular health, diabetes control (ICD-10 E10-E14, Z90.4).
  • Intra-op: Muscle stabilization, proper flap design (CPT 27590-27592).
  • Post-op: Pain management, early mobilization, prevent contractures.
  • Document comorbidities impacting healing for accurate DRG assignment.
  • Prosthetic fitting, gait training, phantom limb pain management (ICD-10 G54.6).

Clinical Decision Support

Checklist
  • Verify documented indication for AKA (ICD-10 Z89.41)
  • Confirm laterality documented (right or left)
  • Check operative report details match AKA coding
  • Assess pre-op risk factors for complications
  • Review post-op care plan for phantom limb pain

Reimbursement and Quality Metrics

Impact Summary
  • **Reimbursement and Quality Metrics Impact Summary: Above-the-Knee Amputation (A, AKA, Transfemoral Amputation)**
  • **Keywords:** medical billing, coding accuracy, ICD-10, CPT, hospital reporting, amputation, AKA, transfemoral, reimbursement, quality metrics, prosthetic, rehabilitation
  • **Impacts:**
  • Increased DRG complexity, impacting hospital reimbursement.
  • Higher resource utilization: OR time, anesthesia, post-op care.
  • Potential for coding errors with laterality and level of amputation.
  • Impacts quality metrics related to post-surgical complications and functional outcomes.

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Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective post-operative pain management strategies for patients undergoing above-the-knee amputation (AKA)?

A: Effective post-operative pain management for above-the-knee amputation (AKA) requires a multimodal approach. This includes pharmacologic interventions like opioid analgesics, non-steroidal anti-inflammatory drugs (NSAIDs), and nerve blocks (e.g., femoral, sciatic). Non-pharmacologic strategies such as patient-controlled analgesia (PCA), cryotherapy, and transcutaneous electrical nerve stimulation (TENS) can further enhance pain control. Early mobilization and physical therapy are crucial for functional recovery and pain reduction. A comprehensive pain management plan should also address phantom limb pain (PLP), a common complication after AKA, potentially using therapies like mirror therapy, calcitonin, or gabapentin. Explore how integrating pre-operative pain education can improve patient outcomes and satisfaction post-AKA.

Q: How can clinicians differentiate between phantom limb pain and residual limb pain following a transfemoral amputation, and what specific treatments are recommended for each?

A: Phantom limb pain (PLP) after a transfemoral amputation is perceived as originating in the missing limb, often described as burning, cramping, or shooting. Residual limb pain (RLP), however, is localized to the remaining limb and may result from surgical trauma, neuroma formation, or infection. Distinguishing between these two requires careful patient history and physical examination. PLP treatment options include medications like gabapentinoids, antidepressants, and NMDA receptor antagonists, alongside therapies such as mirror therapy and transcranial magnetic stimulation (TMS). RLP management focuses on addressing the underlying cause, potentially involving wound care, revision surgery for neuromas, or targeted pain injections. Consider implementing a thorough assessment process to accurately diagnose and tailor treatment for both PLP and RLP in post-transfemoral amputation patients. Learn more about the latest research on effective PLP and RLP management strategies.

Quick Tips

Practical Coding Tips
  • Code AKA for Above Knee Amputation
  • ICD-10 Z89.4 history, Z42.7 aftercare
  • Consider laterality codes
  • Document amputation level precisely
  • Check LCDs for prosthetic coding

Documentation Templates

Patient presents with an above-the-knee amputation (AKA), also known as a transfemoral amputation, of the right leg.  The amputation level is specified as [insert specific anatomical location, e.g., distal femur, proximal femur, mid-femur].  The etiology of the amputation is [insert cause, e.g., peripheral artery disease, trauma, infection, diabetes, malignancy].  The patient reports [insert present symptoms, e.g., phantom limb pain, residual limb pain, difficulty with mobility, wound complications]. Physical examination reveals [insert objective findings, e.g., well-healed surgical site, evidence of infection, presence of edema, neuroma formation].  The patient's current functional status is assessed as [insert functional level description, e.g., independent ambulation with prosthesis, wheelchair dependent, requiring assistance with transfers].  Assessment includes evaluation for prosthetic fitting, pain management strategies, and physical therapy for gait training and strengthening.  Plan includes [insert plan details, e.g., referral to prosthetist, prescription for pain medication, scheduling physical therapy appointments, patient education on wound care and limb hygiene, follow-up appointment].  ICD-10 code [insert relevant ICD-10 code, e.g., Z89.411 Acquired absence of right leg above knee] is documented for healthcare billing and coding purposes.  Differential diagnoses considered included [list relevant differential diagnoses if applicable, e.g.,  vascular claudication, deep vein thrombosis] but were ruled out based on clinical findings.  Prognosis for ambulation and functional recovery with appropriate prosthetic fitting and rehabilitation is [insert prognosis, e.g., good, fair, poor].  Patient education provided regarding amputation care, pain management techniques, and the importance of adhering to the prescribed treatment plan.
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