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v1.0.0
ICD-10 Guide
DiagnosesHeel Spur

Heel Spur

ICD-10 Coding for Heel Spur(M77.31, M77.32, M77.30)

PRIMARY SPECIALTYPodiatry
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Heel Spur?
Essential facts and insights about Heel Spur

Key Clinical Considerations:

  • Pain in the heel, especially with first steps in the morning or after prolonged sitting
  • X-ray showing calcaneal spur formation
  • Tenderness on palpation of the plantar fascia and heel

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including duration and severity of symptoms
  • Physical examination findings related to heel pain
  • Imaging results confirming heel spur presence

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines: Use specific codes for laterality to avoid claim denials.
  • Common errors: Failing to document the specific location of pain or not including imaging results.

Code Exclusions

Important Exclusions

  • Excluded conditions: Plantar fasciitis, Achilles tendonitis.
  • Alternative codes: M77.20 (Other enthesopathy of the heel) may be considered if applicable.

Related ICD-10 Codes

Primary Codes
M77.30
Heel spur, unspecified
M77.31
Heel spur, right
M77.32
Heel spur, left
Ancillary Codes
M79.671
M79.672
Differential Codes
M72.2
M84.37-

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Podiatry

Specialty Applications

  • Patient populations: Adults, athletes, individuals with obesity or prolonged standing.
  • Clinical settings: Podiatry clinics, orthopedic practices, physical therapy centers.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include patient history, physical exam findings, and imaging results.

Billing considerations?

Ensure accurate coding based on laterality and confirmatory tests.