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ICD-10 Coding for Hidradenitis Suppurativa(L73.2)

Complete ICD-10-CM coding and documentation guide for Hidradenitis Suppurativa. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Acne InversaVerneuil's Disease

Related ICD-10 Code Ranges

Complete code families applicable to Hidradenitis Suppurativa

L70-L75Primary Range

Diseases of the skin and subcutaneous tissue

This range includes conditions related to skin and subcutaneous tissue, with L73.2 specifically for hidradenitis suppurativa.

Key Information: ICD-10 code for hidradenitis suppurativa

Essential facts and insights about Hidradenitis Suppurativa

The ICD-10 code for hidradenitis suppurativa is L73.2, used for chronic cases with documented recurrence and sinus tracts.

Primary ICD-10-CM Code for hidradenitis suppurativa

Hidradenitis suppurativa
Billable Code

Decision Criteria

clinical Criteria

  • Presence of recurrent nodules and sinus tracts

documentation Criteria

  • Hurley stage must be documented

Applicable To

  • Chronic skin condition characterized by inflamed nodules and abscesses

Excludes

Clinical Validation Requirements

  • Recurrent nodules or abscesses
  • Presence of sinus tracts or scarring
  • Hurley staging documentation

Code-Specific Risks

  • Incorrectly coding without chronicity documentation
  • Omitting Hurley stage

Coding Notes

  • Ensure documentation includes specific lesion characteristics and locations.

Ancillary Codes

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

Other specified local infections of skin and subcutaneous tissue

L08.8
Use when there is a secondary infection associated with HS.

Staphylococcus aureus as the cause of diseases classified elsewhere

B95.6
Use when culture confirms Staphylococcus aureus infection.

Differential Codes

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

Cutaneous abscess, unspecified

L02.91
Use for single, non-recurrent abscesses without sinus tracts.

Anal fistula

K60.-
Use when fistula is related to anal region, not typical of HS.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Hidradenitis Suppurativa to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code L73.2.

Impact

Clinical: Misrepresentation of patient's condition, Regulatory: Potential audit risk, Financial: Denied claims due to incorrect coding

Mitigation Strategy

Verify recurrence and chronicity before coding, Consult clinical guidelines for HS

Impact

Reimbursement: May lead to denied claims if chronicity is not documented., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate representation of patient condition.

Mitigation Strategy

Ensure documentation specifies recurrence and sinus tracts.

Impact

Claims may be denied if chronicity is not documented.

Mitigation Strategy

Ensure all documentation includes recurrence and sinus tract details.

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 Hidradenitis Suppurativa, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Hidradenitis Suppurativa

Use these documentation templates to ensure complete and accurate documentation for Hidradenitis Suppurativa. These templates include all required elements for proper coding and billing.

Chronic HS with secondary infection

Specialty: Dermatology

Required Elements

  • Lesion count and size
  • Location and Hurley stage
  • Infection presence and culture results

Example Documentation

Location: Right axilla, left groin. Lesions: 4 inflammatory nodules (1.5–2 cm), 2 draining sinuses. Hurley Stage: II. Infection: Purulent drainage; culture pending. Treatment: Incision & drainage performed (CPT 10061), clindamycin prescribed.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Skin abscess in armpit.
Good Documentation Example
3 recurrent abscesses (2 cm each) in left axilla with sinus tracts; Hurley Stage II.
Explanation
The good example provides detailed lesion characteristics and staging, which are necessary for accurate coding.

Need help with ICD-10 coding for Hidradenitis Suppurativa? Ask your questions below.

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