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Z96.649
ICD-10-CM
Total Hip Arthroplasty

Find information on Total Hip Arthroplasty diagnosis, including clinical documentation requirements, medical coding guidelines, and healthcare resources. Learn about ICD-10-CM codes for THA, postoperative care, and relevant medical terminology used in physician documentation and coding for hip replacement surgery. Explore resources for accurate clinical documentation improvement and proper coding for total hip arthroplasty procedures.

Also known as

Total Hip Replacement
THA
Hip Replacement Surgery

Diagnosis Snapshot

Key Facts
  • Definition : Surgical replacement of the hip joint with an artificial implant.
  • Clinical Signs : Hip pain, stiffness, limited range of motion, difficulty walking.
  • Common Settings : Hospital operating room, outpatient surgical center.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC Z96.649 Coding
0SR90ZZ-0SRD4ZZ

Replacement of Right Hip Joint

Codes for total right hip replacement procedures.

0SRB0ZZ-0SRB4ZZ

Replacement of Left Hip Joint

Codes for total left hip replacement procedures.

Z96.64

Presence of right artificial hip joint

Indicates a patient has a right artificial hip joint.

Z96.65

Presence of left artificial hip joint

Indicates a patient has a left artificial hip joint.

Code-Specific Guidance

Decision Tree for

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

Is this a total hip replacement?

  • Yes

    Which hip? Right or Left?

  • No

    Do NOT code as Total Hip Arthroplasty. Review clinical documentation for correct diagnosis.

Code Comparison

Related Codes Comparison

When to use each related code

Description
Total hip replacement
Partial hip replacement
Hip resurfacing

Documentation Best Practices

Documentation Checklist
  • Total hip arthroplasty documentation checklist
  • ICD-10-PCS code selection for THA
  • Laterality: Specify right or left hip
  • Reason for THA: Document medical necessity
  • THA approach: Anterior, posterior, lateral
  • Component specifics: Material, fixation method

Coding and Audit Risks

Common Risks
  • Laterality Coding Errors

    Incorrect coding for left, right, or bilateral hip replacements can lead to claim denials and inaccurate data reporting. Important for medical coding audits.

  • Approach Documentation

    Missing documentation of surgical approach (anterior, posterior, etc.) impacts accurate code assignment and reimbursement. Key for CDI and healthcare compliance.

  • Revision vs. Primary THA

    Miscoding revision THA as primary or vice versa leads to significant billing errors. Crucial for medical coding, CDI, and audit compliance.

Mitigation Tips

Best Practices
  • Code accurately: Use ICD-10-PCS for THA, specify laterality, approach, and components.
  • Document implant details: Brand, model, size for accurate coding and future revisions.
  • Query for clarity: If documentation lacks detail, query physician for specificity.
  • Educate physicians: Provide CDI on THA documentation requirements for complete coding.
  • Review op reports: Ensure proper documentation of indications, approach, and components.

Clinical Decision Support

Checklist
  • Verify OA diagnosis: Radiographic evidence & failed conservative tx
  • Pre-op checklist complete: Labs, ECG, consent, risk assessment
  • THA indication documented: Pain, functional limitation, QoL impact
  • Surgical plan specified: Implant type, approach, bearing surface
  • Post-op care instructions: DVT prophylaxis, pain management, PT

Reimbursement and Quality Metrics

Impact Summary
  • Total Hip Arthroplasty reimbursement hinges on accurate ICD-10-PCS and CPT coding, impacting DRG assignment and case mix index.
  • Coding quality directly affects hospital revenue cycle management for THA, influencing claim denials and timely payments.
  • THA quality metrics like surgical site infection and readmission rates impact value-based purchasing and hospital rankings.
  • Accurate documentation and coding for THA complications are crucial for appropriate reimbursement and quality reporting.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective evidence-based postoperative pain management protocols for total hip arthroplasty patients to minimize opioid use?

A: Minimizing opioid use after total hip arthroplasty (THA) is a critical aspect of enhancing patient recovery and reducing the risk of complications. Multimodal analgesia protocols are the most effective evidence-based approach. These protocols combine various non-opioid analgesic medications, such as NSAIDs, acetaminophen, gabapentinoids, and local anesthetics, targeting different pain pathways. Peripheral nerve blocks performed preoperatively or intraoperatively can significantly reduce postoperative pain and opioid consumption. Consider implementing a standardized protocol that includes patient education on pain expectations and non-pharmacological pain management strategies like cryotherapy and early mobilization. Explore how incorporating regional anesthesia techniques and a structured rehabilitation program can further optimize pain control and functional outcomes after THA. Learn more about individual patient risk factors and tailoring multimodal analgesia strategies accordingly.

Q: How can clinicians accurately diagnose and differentiate between prosthetic joint infection and aseptic loosening after total hip arthroplasty using serum markers and imaging?

A: Differentiating between prosthetic joint infection (PJI) and aseptic loosening after THA can be challenging but is crucial for appropriate management. Serum inflammatory markers like CRP and ESR can be elevated in both conditions, but significantly higher levels are typically indicative of PJI. Synovial fluid analysis, including white blood cell count and differential, is essential for assessing infection. Imaging studies play a vital role in the diagnostic process. Plain radiographs can reveal signs of loosening, such as radiolucent lines around the prosthesis. MRI and nuclear medicine scans, such as bone scans and white blood cell scans, can provide further information regarding bone activity and inflammation, aiding in the differentiation between PJI and aseptic loosening. Consider implementing a combination of serum markers, synovial fluid analysis, and advanced imaging techniques to accurately diagnose the underlying cause of THA failure. Explore how using established diagnostic criteria, like the Musculoskeletal Infection Society (MSIS) criteria, can further improve diagnostic accuracy and inform treatment decisions.

Quick Tips

Practical Coding Tips
  • Verify laterality: Left or Right
  • Document approach: Anterior, posterior, etc.
  • Confirm component type: Cemented, uncemented, hybrid
  • Check for revision status
  • Ensure diagnosis supports medical necessity

Documentation Templates

Patient presents with complaints of chronic hip pain, stiffness, and limited range of motion consistent with osteoarthritis of the hip.  The patient reports significant functional limitations impacting activities of daily living, including difficulty walking, standing, and climbing stairs.  Conservative treatments such as physical therapy, nonsteroidal anti-inflammatory drugs (NSAIDs), and corticosteroid injections have provided insufficient pain relief.  Physical examination reveals decreased hip flexion, extension, abduction, and internal rotation, along with palpable crepitus and tenderness to palpation.  Radiographic imaging confirms advanced degenerative changes in the hip joint, characterized by joint space narrowing, osteophyte formation, and subchondral sclerosis, supporting the diagnosis of osteoarthritis.  After discussing the risks and benefits of surgical intervention, the patient elected to undergo total hip arthroplasty (THA).  The procedure will involve replacing the damaged femoral head and acetabulum with prosthetic components to restore joint function and alleviate pain.  Preoperative planning includes laboratory testing, electrocardiogram (ECG), and medical clearance.  Postoperative care will involve pain management, physical therapy, and monitoring for complications such as infection, dislocation, and deep vein thrombosis (DVT).  The patient understands the recovery process and postoperative rehabilitation requirements. This procedure is medically necessary and appropriate for the patient's condition.  ICD-10 code M16.11, Primary osteoarthritis, right hip, is documented, along with relevant CPT codes for total hip arthroplasty.
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