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ICD-10 Coding for Lower Limb Extremity Pain(M79.605, M54.16)

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

Also known as:

LLE PainLeg PainLower Extremity Pain

Related ICD-10 Code Ranges

Complete code families applicable to Lower Limb Extremity Pain

M79.60-M79.66Primary Range

Pain in limb

This range includes codes for pain in specific limbs, including lower extremities.

Dorsalgia

Includes codes for back pain that may radiate to the lower extremities.

Mononeuropathies of lower limb

Includes codes for neuropathies affecting the lower limbs.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M79.605Pain in left legUse for isolated, unspecified pain in the left leg.
  • Documentation of pain location and characteristics
  • Exclusion of trauma or systemic causes
M54.16Radiculopathy, lumbar regionUse when lumbar radiculopathy is confirmed with imaging.
  • Imaging confirmation of nerve root compression
  • Documentation of pain radiating to leg

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for left leg pain

Essential facts and insights about Lower Limb Extremity Pain

The ICD-10 code for left leg pain is M79.605, used for unspecified pain localized to the left leg.

Primary ICD-10-CM Codes for lle pain

Pain in left leg
Billable Code

Decision Criteria

clinical Criteria

  • Pain localized to left leg without known etiology

documentation Criteria

  • Document laterality and pain characteristics

Applicable To

  • Localized pain in left leg

Excludes

  • Pain due to specific conditions like sciatica (M54.3-)

Clinical Validation Requirements

  • Documentation of pain location and characteristics
  • Exclusion of trauma or systemic causes

Code-Specific Risks

  • Risk of using unspecified codes if laterality is not documented

Coding Notes

  • Ensure documentation specifies left leg to avoid unspecified coding.

Ancillary Codes

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

Other chronic pain

G89.29
Use for chronic pain syndrome when pain persists beyond 3 months.

Differential Codes

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

Radiculopathy, lumbar region

M54.16
Use when pain is due to lumbar radiculopathy with imaging confirmation.

Pain in left leg

M79.605
Use M79.605 for isolated leg pain without radiculopathy.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Lower Limb Extremity Pain to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M79.605.

Impact

Clinical: Leads to inaccurate diagnosis and treatment planning., Regulatory: Increases risk of audit and compliance issues., Financial: May result in denied claims or reduced reimbursement.

Mitigation Strategy

Train staff on importance of documenting laterality., Use EHR prompts to ensure laterality is recorded.

Impact

Reimbursement: May lead to reduced reimbursement due to lack of specificity., Compliance: Increases risk of audit due to unspecified coding., Data Quality: Affects data quality and accuracy of patient records.

Mitigation Strategy

Ensure documentation specifies laterality and pain characteristics.

Impact

Use of unspecified codes can trigger audits.

Mitigation Strategy

Ensure documentation includes specific details like laterality and pain characteristics.

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 Lower Limb Extremity Pain, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Lower Limb Extremity Pain

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

Chronic left leg pain management

Specialty: Pain Management

Required Elements

  • Pain location and intensity
  • Aggravating and alleviating factors
  • Functional impact

Example Documentation

**Subjective**: "72F c/o burning left calf pain (8/10 VAS), worse at night, limits ambulation. Denies trauma." **Objective**: TTP left gastrocnemius; negative Homan’s sign **Assessment**: Chronic neuropathic left LLE pain (M79.605, G57.90) **Plan**: Gabapentin trial; PT referral

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient complains of leg pain.
Good Documentation Example
Sharp, shooting pain in left lower leg (7/10 on NRS), worsening with weight-bearing, positive Tinel’s sign at fibular head.
Explanation
The good example provides specific details about the pain's location, intensity, and characteristics, which are necessary for accurate coding.

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

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