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ICD-10 Coding for Cellulitis of Left Lower Limb(L03.116)

Complete ICD-10-CM coding and documentation guide for Cellulitis of Left Lower Limb. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Left Leg CellulitisLeft Lower Extremity Cellulitis

Related ICD-10 Code Ranges

Complete code families applicable to Cellulitis of Left Lower Limb

L00-L08Primary Range

Infections of the skin and subcutaneous tissue

This range includes cellulitis and other skin infections, with L03.116 specifically for the left lower limb.

Key Information: ICD-10 code for cellulitis of left lower limb

Essential facts and insights about Cellulitis of Left Lower Limb

The ICD-10 code for cellulitis of the left lower limb is L03.116, covering the entire limb.

Primary ICD-10-CM Code for cellulitis of left lower limb

Cellulitis of left lower limb
Billable Code

Decision Criteria

clinical Criteria

  • Presence of erythema, warmth, and tenderness in the left lower limb.

coding Criteria

  • Use L03.116 when cellulitis is confirmed without an open wound.

documentation Criteria

  • Document specific location and laterality of cellulitis.

Applicable To

  • Cellulitis of left thigh
  • Cellulitis of left leg
  • Cellulitis of left ankle
  • Cellulitis of left foot

Excludes

  • Abscess of left lower limb
  • Necrotizing fasciitis

Clinical Validation Requirements

  • Erythema, warmth, and tenderness localized to left lower limb
  • Elevated WBC, CRP
  • Positive wound culture if applicable

Code-Specific Risks

  • Confusing laterality (left vs. right)
  • Mixing up cellulitis with abscesses

Coding Notes

  • Ensure documentation specifies left lower limb and includes clinical indicators.

Ancillary Codes

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

Methicillin-susceptible Staphylococcus aureus (MSSA) infection

B95.61
Use if MSSA is identified via culture.

Open wound with infection

T89.02
Use if cellulitis complicates a documented wound.

Differential Codes

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

Varicose eczema

I83.10
Presence of varicose veins with eczema-like changes.

Deep vein thrombosis (DVT)

I80.29
Unilateral swelling and pain, confirmed by imaging.

Gout of ankle/foot

M10.07
Joint involvement with urate crystals in synovial fluid.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cellulitis of Left Lower Limb to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code L03.116.

Impact

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

Mitigation Strategy

Use templates to ensure all required information is captured., Regular training on documentation standards.

Impact

Reimbursement: May lead to claim denials or reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of medical records.

Mitigation Strategy

Always specify laterality and use L03.116 for left lower limb.

Impact

Failure to document laterality can lead to incorrect coding.

Mitigation Strategy

Implement mandatory fields for laterality in EHR systems.

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 Cellulitis of Left Lower Limb, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Cellulitis of Left Lower Limb

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

Initial ED Visit for Cellulitis

Specialty: Emergency Medicine

Required Elements

  • Location and extent of erythema
  • Presence of warmth and tenderness
  • Vital signs and lab results

Example Documentation

Patient presents with erythema and swelling of the left calf. Temperature 101°F, WBC 14.2 K/μL.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Redness on leg.
Good Documentation Example
3 cm x 5 cm erythematous area on left calf with +2 pitting edema.
Explanation
The good example provides specific measurements and location, improving clarity and coding accuracy.

Need help with ICD-10 coding for Cellulitis of Left Lower Limb? Ask your questions below.

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