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M66.379
ICD-10-CM
Rupture of Achilles Tendon

Find information on Achilles tendon rupture diagnosis, including ICD-10 code S86.0, clinical documentation requirements, and healthcare best practices. Learn about Achilles tendon tear treatment, surgical repair, and non-surgical management. Explore resources for medical coding, billing, and documentation guidelines related to Achilles tendon ruptures. Understand the symptoms, diagnostic criteria, and recovery process for a ruptured Achilles tendon. This resource provides comprehensive information for healthcare professionals, coders, and patients seeking information on Achilles tendon injuries.

Also known as

Achilles Tendon Tear
Achilles Tendon Rupture

Diagnosis Snapshot

Key Facts
  • Definition : Complete or partial tear of the Achilles tendon, connecting calf muscle to heel.
  • Clinical Signs : Sudden sharp pain in back of ankle, difficulty walking, palpable gap in tendon, positive Thompson test.
  • Common Settings : Sports injuries (running, jumping), falls, overuse, fluoroquinolone use.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M66.379 Coding
S86.0-

Injury of Achilles tendon

Covers Achilles tendon ruptures and other injuries.

S86.-

Injury of lower leg

Includes various lower leg injuries, including the Achilles tendon.

S80-S89

Injuries to the lower extremities

Encompasses a wider range of lower extremity injuries.

Code-Specific Guidance

Decision Tree for

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

Is the Achilles tendon rupture traumatic?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Achilles tendon rupture
Achilles tendinopathy
Partial Achilles tear

Documentation Best Practices

Documentation Checklist
  • Achilles tendon rupture diagnosis documentation
  • ICD-10 S76.0, confirm complete/partial tear
  • Physical exam: Thompson test, palpation gap
  • Imaging: Ultrasound or MRI findings
  • Surgical vs. nonsurgical treatment plan

Coding and Audit Risks

Common Risks
  • Laterality Coding

    Missing or incorrect laterality (right, left, bilateral) for Achilles tendon rupture impacts reimbursement and data accuracy. Important for medical coding audits.

  • Traumatic vs. Non-traumatic

    Distinguishing between traumatic and atraumatic rupture is crucial for accurate ICD-10 coding (S86.0 vs. M76.81) and impacts CDI specialist queries.

  • Complete vs. Partial Tear

    Coding must reflect complete (S86.0) or partial (ICD-10 unspecified; often S86.0 with modifier) tear. Key for healthcare compliance and accurate reporting.

Mitigation Tips

Best Practices
  • Thorough physical exam & document gap closure for ICD-10 S86.0
  • Detailed HPI crucial for accurate E/M coding & compliance
  • Image studies (MRI/Ultrasound) with precise CDI for claims
  • Timely surgical repair documentation for optimal reimbursement
  • Post-op care plan with clear ICD-10 coding for rehab (Z codes)

Clinical Decision Support

Checklist
  • Palpable gap above heel, decreased plantarflexion strength
  • Positive Thompson test (absence of foot plantarflexion)
  • Sudden snap/pop sensation with acute pain documentation
  • Inability to bear weight or walk normally post injury
  • Consider imaging (ultrasound/MRI) to confirm rupture

Reimbursement and Quality Metrics

Impact Summary
  • Rupture of Achilles Tendon reimbursement impacts ICD-10 S86.0-, CPT 27650, 27652, 27654 accurate coding crucial for maximizing claim acceptance.
  • Quality metrics: Surgical site infection rate, return to OR, patient-reported outcome measures influence value-based payments.
  • Coding accuracy: Precise documentation of rupture type, mechanism, laterality key for proper code assignment impacts reimbursement.
  • Hospital reporting: Accurate Achilles tendon rupture data affects quality scores public reporting transparency pay-for-performance.

Streamline Your Medical Coding

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

Quick Tips

Practical Coding Tips
  • Code S86.0xxA Achilles rupture
  • Verify laterality: left, right, bilateral
  • Document mechanism of injury
  • Specify complete or partial tear
  • Consider 7th character for initial, subsequent

Documentation Templates

Patient presents with complaints consistent with Achilles tendon rupture.  Onset of symptoms occurred during [activity causing injury - e.g., basketball game, sudden push-off while running] with a reported sensation of a pop or snap in the posterior heel accompanied by immediate sharp pain.  Physical examination reveals palpable defect in the Achilles tendon,  positive Thompson test,  weakness with plantarflexion,  and ecchymosis and edema surrounding the affected area.  Pain is exacerbated with passive dorsiflexion.  Differential diagnosis includes Achilles tendinitis,  partial Achilles tendon tear,  and ankle sprain.  Based on the patient's history, physical exam findings, and mechanism of injury, the diagnosis of Achilles tendon rupture is highly suspected.  Imaging studies, such as ultrasound or MRI, may be ordered to confirm the diagnosis and assess the extent of the tear. Treatment options, including conservative management with immobilization and physical therapy or surgical repair, will be discussed with the patient, considering factors such as age, activity level, and the severity of the rupture.  Patient education regarding Achilles tendon rupture recovery,  postoperative care, and potential complications, such as re-rupture and infection, will be provided.  Follow-up appointment scheduled for [date].