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ICD-10 Coding for Pain in Left Lower Extremity(M79.662)

Complete ICD-10-CM coding and documentation guide for Pain in Left Lower Extremity. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Left Leg PainLeft Calf Pain

Related ICD-10 Code Ranges

Complete code families applicable to Pain in Left Lower Extremity

M79.60-M79.67Primary Range

Other and unspecified soft tissue disorders, not elsewhere classified

This range includes codes for pain in specific parts of the extremities, including the left lower leg.

Pain, not elsewhere classified

This range includes codes for pain management and chronic pain conditions that may be used in conjunction with site-specific pain codes.

Key Information: ICD-10 code for pain in left lower extremity

Essential facts and insights about Pain in Left Lower Extremity

The ICD-10 code for pain in the left lower extremity, specifically the lower leg, is M79.662.

Primary ICD-10-CM Code for pain in left lower extremity

Pain in left lower leg
Billable Code

Decision Criteria

clinical Criteria

  • Pain localized to the left lower leg

documentation Criteria

  • Documentation includes specific location and laterality

Applicable To

  • Pain in left calf
  • Pain in left shin

Excludes

Clinical Validation Requirements

  • Documented tenderness on palpation
  • Imaging results confirming soft tissue involvement
  • Patient-reported pain localized to the left lower leg

Code-Specific Risks

  • Using unspecified codes when laterality is known
  • Failing to document specific location and laterality

Coding Notes

  • Ensure documentation specifies the exact location and laterality of the pain.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Chronic pain syndrome

G89.21
Use for chronic pain lasting more than 3 months, in conjunction with M79.662.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Pain in left leg

M79.605
Use M79.605 when pain is diffuse and involves the entire left leg without clear localization.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Pain in Left Lower Extremity to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M79.662.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with ICD-10 coding standards., Financial: Potential for denied claims or reduced reimbursement.

Mitigation Strategy

Always document the side of the body affected., Use templates that prompt for laterality.

Impact

Reimbursement: May lead to incorrect DRG assignment and potential reimbursement issues., Compliance: Could result in non-compliance with ICD-10 coding guidelines., Data Quality: Decreases the specificity and accuracy of healthcare data.

Mitigation Strategy

Always use the most specific code available, such as M79.662 for left lower leg pain.

Impact

Audits may focus on whether the documentation supports the specificity of the coded pain location.

Mitigation Strategy

Ensure documentation clearly specifies the location and laterality of pain.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Pain in Left Lower Extremity, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Pain in Left Lower Extremity

Use these documentation templates to ensure complete and accurate documentation for Pain in Left Lower Extremity. These templates include all required elements for proper coding and billing.

Musculoskeletal Pain Assessment

Specialty: Orthopedics

Required Elements

  • Location of pain
  • Duration of symptoms
  • Pain characteristics
  • Physical exam findings
  • Diagnostic imaging results

Example Documentation

Patient reports sharp pain in left calf worsening with walking, relieved by rest. Physical exam shows 2+ pitting edema and tenderness on palpation. MRI ordered to rule out DVT.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient complains of leg pain.
Good Documentation Example
Patient reports sharp, non-radiating pain in left calf (7/10 intensity) exacerbated by weight-bearing; onset 2 weeks post-marathon.
Explanation
The good example provides specific location, intensity, and context, improving clinical clarity and coding accuracy.

Need help with ICD-10 coding for Pain in Left Lower Extremity? Ask your questions below.

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