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ICD-10-CM · Z89.619GeneralSystemic

Above Knee Amputation

Understanding Above Knee Amputation (AKA), also known as Transfemoral Amputation? This resource provides essential information for healthcare professionals on clinical documentation, medical coding, and post-operative care related to AKA and Transfemoral Amputation. Learn about diagnosis, treatment, and best practices for accurate medical records pertaining to Above Knee Amputation.

Also known as
Transfemoral AmputationAKA
Definition

Surgical removal of the leg above the knee joint.

Clinical signs

Absent knee joint, palpable femoral stump, phantom limb pain, altered gait.

Common settings

Trauma, peripheral vascular disease, infection, tumor, elective surgery.

Related Codes

ICD-10 Code Families

Complete code families applicable to Z89.619

Z89.4-
Acquired absence of limb
Z89.6-
Amputation status
S78.-
Injury of lower leg
Code Comparison

When to use each related code

DescriptionWhen to use
Amputation above the knee joint.Use for complete loss of leg above knee. Consider level of amputation for specifics.
Amputation below the knee joint.Use for complete loss of leg below knee. Specify level (e.g., transtibial).
Partial foot amputation.Use when any part of the foot is amputated. Specify which toes or part of foot.
Documentation

Best-practice checklist

  • Above Knee Amputation (A) documentation checklist:
  • 1. Laterality (right or left)
  • 2. Reason for amputation (e.g., trauma, PVD)
  • 3. Level of amputation (e.g., third of femur)
  • 4. Surgical technique used
  • 5. Post-operative complications (if any)
Coding & Audit Risks

Common pitfalls to avoid

Laterality Coding

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

Level of Amputation

Imprecise documentation of the specific amputation level (e.g., high, mid, low) may cause coding errors and affect reimbursement.

Cause of Amputation

Failing to document the underlying cause (e.g., trauma, diabetes, PVD) impacts data analysis, quality metrics, and risk adjustment.

Mitigation

Best-practice tips

  • 01Pre-op: Optimize vascular health, diabetes control (ICD-10 Z90.8, E10-E14).
  • 02Phantom limb pain: Prep patient, early intervention (G89.11, G89.18).
  • 03Infection control: Prevent surgical site infection, monitor vitals (T81.4).
  • 04Rehab: Early mobilization, prosthesis fitting (ICD-10 Z44.8, Z55.1).
  • 05Pain management: Multimodal analgesia, minimize opioid use (G89.18).
Clinical Decision Support

Step-by-step checklist

  1. 1

    Verify amputation level: Above knee (ICD-10 Z89.414)

  2. 2

    Document residual limb length, condition (SNOMED CT 273124003)

  3. 3

    Assess phantom limb pain, neuroma (ICD-10 G54.6)

  4. 4

    Evaluate for post-op complications: infection, hemorrhage

  5. 5

    Plan rehab: prosthetic fitting, mobility training (CPT 97161)

Documentation Template

Ready-to-paste narrative

Patient presents with a status post above-knee amputation (AKA), also known as a transfemoral amputation.  The amputation is on the [Right/Left] side.  The initial indication for the amputation was [Specific reason for amputation, e.g., peripheral vascular disease with gangrene, trauma, osteosarcoma].  The surgery was performed on [Date of surgery].  Current examination reveals a well-healed surgical site.  The patient reports [Pain level and character, e.g., no phantom limb pain, intermittent burning sensation].  Current prosthetic fitting is [Description of prosthetic, e.g., patellar tendon-bearing socket, total surface bearing socket, no prosthetic yet fitted] and the patient's functional mobility status is [Description of mobility status, e.g., ambulating with assistive device, wheelchair-bound, independent ambulation].  Assessment includes evaluation of wound healing, range of motion at the hip joint, muscle strength, and edema.  Plan includes [Ongoing treatment plan, e.g.,  prosthetic fitting and training, pain management, physical therapy for gait training and strengthening, occupational therapy for activities of daily living, patient education regarding stump care and hygiene, follow-up with vascular surgeon].  ICD-10 code [Appropriate ICD-10 code, e.g., Z89.411, Z89.412 depending on laterality and if acquired or congenital] and CPT codes [Appropriate CPT codes for applicable procedures, e.g., evaluation and management codes] were considered for this encounter.
FAQs

Common questions and answers

What are the evidence-based best practices for post-operative pain management following an above knee amputation (AKA) in adult patients?+

Post-operative pain management for above knee amputation (AKA), also known as transfemoral amputation, is crucial for patient comfort and rehabilitation. Evidence-based best practices involve a multimodal approach, including pre-operative analgesia, regional anesthesia (such as femoral nerve blocks or lumbar plexus blocks), and post-operative opioid and non-opioid analgesics. A scheduled regimen is generally preferred over PRN dosing for the initial post-operative period. Consider implementing a patient-controlled analgesia (PCA) pump for optimized pain control. Non-pharmacological methods like cryotherapy, elevation, and compression therapy can further enhance pain relief and reduce swelling. Explore how phantom limb pain, a common complication after AKA, can be addressed with medications like gabapentinoids or tricyclic antidepressants, mirror therapy, and other psychological interventions. Regular pain assessment using validated scales and timely adjustments to the pain management plan are essential for optimal outcomes. Learn more about the role of a specialized pain team in managing complex post-operative pain after AKA.

How can clinicians differentiate between the various surgical techniques for above knee amputation (transfemoral amputation) and select the most appropriate approach for individual patient needs?+

Choosing the right surgical technique for an above knee amputation (AKA), also known as a transfemoral amputation, requires careful consideration of the patient's individual circumstances, including the reason for amputation (e.g., trauma, peripheral vascular disease, infection), the patient's overall health status, and potential prosthetic goals. Common surgical techniques include the myodesis technique, where muscles are attached directly to the bone, the myoplasty technique, where muscles are sutured to opposing muscle groups, and techniques involving the use of various skin flaps. Each technique has its own advantages and disadvantages in terms of wound healing, residual limb shaping, and prosthetic fitting. For example, the myodesis technique can provide a more stable residual limb, while myoplasty may offer better muscle balance. Consider implementing pre-operative imaging studies to assess the extent of the disease and plan the optimal level of bone resection. Explore how factors such as soft tissue coverage, blood supply, and the presence of infection influence surgical decision-making. Consulting with a prosthetist early in the process can also be valuable in optimizing residual limb shape and function for future prosthetic use.

What are the key considerations for prosthetic rehabilitation and mobility training following an above knee amputation?+

Prosthetic rehabilitation after an above knee amputation (AKA) or transfemoral amputation is a multifaceted process aimed at restoring mobility, independence, and improving quality of life. Key considerations include the patient's physical and cognitive abilities, residual limb health, and prosthetic fit. Early mobilization and range-of-motion exercises are crucial to prevent contractures and promote muscle strength. Explore how the choice of prosthesis, whether it be a basic mechanical knee or a more advanced microprocessor-controlled knee, depends on individual patient factors and functional goals. Clinicians should be familiar with the different types of prosthetic sockets, suspension systems, and components. Learn more about the crucial role of a multidisciplinary rehabilitation team, including physiatrists, physical therapists, occupational therapists, and prosthetists, in guiding the patient through the rehabilitation process. Consider implementing a phased approach to prosthetic training, starting with basic balance and gait training and progressing to more advanced activities. Regular follow-up and adjustments to the prosthetic fitting are essential for ensuring optimal comfort and function. Addressing psychological and emotional challenges associated with limb loss is also critical for successful rehabilitation.

Clinical accuracy: This information is provided for documentation and coding guidance and should not replace professional medical judgment.

Coding standard: ICD-10-CM, current FY guidelines.