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M20.10
ICD-10-CM
Bunionectomy

Find information on bunionectomy, also known as hallux valgus correction or bunion surgery, including details relevant to healthcare professionals, clinical documentation, and medical coding. This resource covers CPT codes, ICD-10 codes, postoperative care, and other key aspects of bunionectomy diagnosis and treatment for accurate medical record keeping and billing. Learn about the bunionectomy procedure, recovery process, and potential complications.

Also known as

Hallux Valgus Correction
Bunion Surgery

Diagnosis Snapshot

Key Facts
  • Definition : Surgical removal of a bunion, a bony bump at the base of the big toe.
  • Clinical Signs : Bent big toe, pain, swelling, redness at the joint, difficulty wearing shoes.
  • Common Settings : Outpatient surgical centers, hospitals, podiatrist offices.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC M20.10 Coding
M20.1-M20.6

Hallux valgus (acquired)

Covers hallux valgus deformities, including bunions.

L00-L99

Diseases of the skin and subcutaneous tissue

May be relevant for skin complications related to bunionectomy.

T81-T88

Complications of surgical and medical care

Includes potential complications arising from bunion surgery.

Code-Specific Guidance

Decision Tree for

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

Was the bunionectomy performed on the right foot?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Surgical removal of a bunion.
Tailor's bunion surgery.
Conservative bunion treatment.

Documentation Best Practices

Documentation Checklist
  • Bunionectomy CPT codes documented (e.g., 28292, 28296)
  • Severity of hallux valgus deformity (e.g., mild, moderate, severe)
  • Pre-op radiographic findings and measurements
  • Intraoperative details, including osteotomy type
  • Post-op instructions, including weight-bearing status

Coding and Audit Risks

Common Risks
  • Laterality Coding

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

  • Unspecified Bunionectomy

    Using unspecified codes when a more specific code for the type of bunionectomy (e.g., open, minimally invasive) is available can lead to rejected claims.

  • Unbundling

    Incorrectly coding separate components of the bunionectomy procedure that should be included in a single code can lead to overbilling audits.

Mitigation Tips

Best Practices
  • Document pre-op deformity severity & prior treatments for bunionectomy coding.
  • Use ICD-10-PCS & CPT codes accurately for hallux valgus correction/bunion surgery.
  • Clear post-op documentation showing bunionectomy outcome impacts reimbursement.
  • Ensure proper consent & medical necessity for compliance in bunion surgery.
  • Regular chart reviews improve CDI for hallux valgus correction procedures.

Clinical Decision Support

Checklist
  • Confirm hallux valgus diagnosis (ICD-10 M20.1) documented.
  • Pre-op X-rays reviewed and bone deformity assessed.
  • Patient understands risks/benefits (surgical informed consent).
  • Surgical plan documented (e.g., Akin, Chevron, Lapidus).
  • DVT prophylaxis ordered and documented.

Reimbursement and Quality Metrics

Impact Summary
  • Bunionectomy (CPT 28292, 28296) reimbursement depends on accurate coding, impacting facility revenue.
  • Hallux Valgus Correction coding errors affect hospital quality metrics related to surgical site infections.
  • Bunion Surgery claim denials due to incorrect laterality modifiers impact AR days and reimbursement timelines.
  • Proper ICD-10-CM diagnosis coding (e.g., M20.10) for Bunionectomy is crucial for accurate hospital reporting and quality data.

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.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective post-operative pain management strategies for minimizing opioid use after bunionectomy in adult patients?

A: Effective post-operative pain management after bunionectomy is crucial for patient comfort and minimizing opioid reliance. A multimodal approach is recommended, combining regional anesthesia (e.g., ankle blocks), non-opioid analgesics (NSAIDs like ibuprofen or celecoxib), and local anesthetic infiltration at the surgical site. Cryotherapy, elevation, and early mobilization are also important components of the recovery protocol. For severe pain, consider implementing patient-controlled analgesia (PCA) with opioids as a short-term measure. Explore how perioperative pain management bundles can further optimize outcomes and enhance patient satisfaction. Learn more about the latest research on opioid-sparing techniques in foot and ankle surgery.

Q: How do I choose the best bunionectomy surgical technique (e.g., Chevron, Lapidus, Austin) for a patient with moderate hallux valgus and hypermobility of the first metatarsocuneiform joint?

A: Choosing the appropriate bunionectomy technique depends on various factors, including the severity of the hallux valgus deformity, the presence of hypermobility in the first metatarsocuneiform joint, and the patient's overall health. For patients with moderate hallux valgus and hypermobility, procedures that address both the metatarsal and phalangeal components of the deformity are crucial. While a Chevron osteotomy might be suitable for milder cases, a Lapidus procedure offers greater correction and stability for hypermobile joints. The Austin bunionectomy offers an alternative approach with potential benefits in certain cases. Consider implementing a comprehensive pre-operative assessment, including weight-bearing radiographs and clinical examination, to guide surgical decision-making. Explore the literature comparing different bunionectomy techniques to ensure the most effective approach for your patient.

Quick Tips

Practical Coding Tips
  • Code Bunionectomy with ICD-10-PCS
  • Use M72.6 for Hallux Valgus
  • Document surgical approach
  • Check CCI edits for bundling
  • Consider laterality: left/right

Documentation Templates

Patient presents with hallux valgus deformity, consistent with a bunion, causing significant pain and functional limitation.  The patient reports pain localized to the first metatarsophalangeal joint (MTPJ), exacerbated by weight-bearing activities and wearing closed-toe shoes.  Physical examination reveals lateral deviation of the hallux, prominence of the medial eminence, and restricted range of motion of the first MTPJ.  Associated findings include callus formation over the medial eminence and inflammation of the surrounding soft tissues.  Radiographic imaging confirms the diagnosis of hallux valgus, demonstrating an increased intermetatarsal angle (IMA) and hallux valgus angle (HVA).  Conservative treatment options, including orthotics, wider shoes, and pain management strategies, have been unsuccessful in providing adequate relief.  After a thorough discussion of risks and benefits, the patient elects to proceed with bunionectomy, also known as hallux valgus correction or bunion surgery, for definitive treatment.  Surgical intervention will address the deformity, alleviate pain, and improve foot function.  Preoperative evaluation, including medical history review, physical examination, and laboratory testing, is complete and the patient is cleared for surgery.  The procedure will involve realignment of the first metatarsal and hallux, with possible osteotomy, soft tissue release, and internal fixation.  Postoperative care will include pain management, immobilization, physical therapy, and follow-up appointments to monitor healing and functional recovery.  ICD-10 code M20.10 will be used for Hallux valgus (acquired), bilateral.  CPT codes for the specific bunionectomy procedure will be determined based on the surgical technique employed (e.g., 28296, 28292, 28290).  This documentation supports medical necessity for bunion surgery based on established diagnostic criteria and failed conservative management.
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