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ICD-10 Coding for Leg Pain, Unspecified(M79.606)

Complete ICD-10-CM coding and documentation guide for Leg Pain, Unspecified. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Aching Leg SyndromeLower Limb Pain

Related ICD-10 Code Ranges

Complete code families applicable to Leg Pain, Unspecified

M79.60-M79.69Primary Range

Other and unspecified soft tissue disorders, not elsewhere classified

This range includes codes for pain in specific and unspecified regions of the limbs, including the leg.

Key Information: ICD-10 code for unspecified leg pain

Essential facts and insights about Leg Pain, Unspecified

The ICD-10 code for unspecified leg pain is M79.606, used when leg pain is documented without specifying laterality or cause.

Primary ICD-10-CM Code for leg pain unspecified

Pain in leg, unspecified
Billable Code

Decision Criteria

documentation Criteria

  • Leg pain documented without laterality or specific cause

clinical Criteria

  • No specific trauma or condition identified

Applicable To

  • Leg pain without specified laterality

Excludes

Clinical Validation Requirements

  • Patient reports leg pain without specifying side
  • No identifiable trauma or specific etiology documented

Code-Specific Risks

  • Using when laterality is documented
  • Potential under-coding if specific cause is known

Coding Notes

  • Ensure documentation supports unspecified laterality and etiology.

Ancillary Codes

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

Acute pain due to trauma

G89.11
Use when managing acute pain post-trauma, sequence first.

Differential Codes

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

Pain in right leg

M79.604
Use when documentation specifies pain in the right leg.

Pain in left leg

M79.605
Use when documentation specifies pain in the left leg.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Leg Pain, Unspecified to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M79.606.

Impact

Clinical: May lead to misdiagnosis or inappropriate treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials or reduced reimbursement.

Mitigation Strategy

Use structured templates for documentation., Ensure detailed pain descriptions.

Impact

Reimbursement: May lead to incorrect DRG assignment and lower reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use M79.604 or M79.605 if laterality is specified.

Impact

High risk of audit if unspecified codes are used when more specific codes are available.

Mitigation Strategy

Ensure documentation supports the use of unspecified codes.

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 Leg Pain, Unspecified, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Leg Pain, Unspecified

Use these documentation templates to ensure complete and accurate documentation for Leg Pain, Unspecified. These templates include all required elements for proper coding and billing.

Unspecified leg pain in primary care

Specialty: Primary Care

Required Elements

  • Pain intensity and duration
  • Absence of specific causes
  • Imaging results

Example Documentation

Patient reports persistent leg pain, unspecified side, rated 6/10. No recent trauma. X-ray negative for fracture.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient complains of leg discomfort.
Good Documentation Example
Patient reports constant 7/10 dull ache in lower extremity without lateralization. No recent trauma. Negative Homan's sign. X-ray negative for fracture.
Explanation
The good example provides specific pain characteristics and rules out other conditions.

Need help with ICD-10 coding for Leg Pain, Unspecified? Ask your questions below.

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