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ICD-10 Coding for Ingrown Hair(L73.9, L08.89)

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

Also known as:

PseudofolliculitisFolliculitis

Related ICD-10 Code Ranges

Complete code families applicable to Ingrown Hair

L73-L73.9Primary Range

Follicular disorders

This range includes codes for various follicular disorders, including ingrown hairs.

Other local infections of skin and subcutaneous tissue

This range is relevant for coding secondary infections associated with ingrown hairs.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
L73.9Follicular disorder, unspecifiedUse for uncomplicated ingrown hairs without infection.
  • Presence of hair shaft trapped beneath epidermis without signs of infection
L08.89Other specified local infections of skin and subcutaneous tissueUse when an ingrown hair is complicated by a secondary infection.
  • Presence of purulent drainage and positive culture for bacterial infection

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 ingrown hair

Essential facts and insights about Ingrown Hair

The ICD-10 code for an uncomplicated ingrown hair is L73.9, while L08.89 is used if there is a secondary infection.

Primary ICD-10-CM Codes for ingrown hair

Follicular disorder, unspecified
Billable Code

Decision Criteria

clinical Criteria

  • No signs of infection or scarring

Applicable To

  • Uncomplicated ingrown hair

Excludes

  • Folliculitis decalvans (L66.2)

Clinical Validation Requirements

  • Presence of hair shaft trapped beneath epidermis without signs of infection

Code-Specific Risks

  • Misclassification if infection is present

Coding Notes

  • Ensure documentation specifies the absence of infection for accurate coding.

Ancillary Codes

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

Bacterial and viral infectious agents

B95-B97
Use to specify the infectious agent if an infection is present.

Differential Codes

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

Folliculitis decalvans

L66.2
Use when scarring alopecia is present due to chronic folliculitis.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Ingrown Hair to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code L73.9.

Impact

Clinical: May lead to inappropriate treatment, Regulatory: Non-compliance with coding guidelines, Financial: Potential for claim denials

Mitigation Strategy

Always assess and document signs of infection, Use culture results to confirm bacterial presence

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Misuse of procedure codes can result in compliance issues., Data Quality: Inaccurate data on skin conditions and treatments.

Mitigation Strategy

Use L73.9 for uncomplicated cases and L08.89 for infected cases.

Impact

Using incorrect CPT codes for ingrown hair removal can trigger audits.

Mitigation Strategy

Use unlisted procedure codes with detailed documentation.

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 Ingrown Hair, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Ingrown Hair

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

Infected ingrown hair in a diabetic patient

Specialty: Dermatology

Required Elements

  • Location and description of lesions
  • Presence of infection and culture results
  • Treatment plan including antibiotics

Example Documentation

Patient presents with multiple erythematous papules in the beard area, some with purulent drainage. Culture positive for MRSA. Prescribed clindamycin 1% BID.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Ingrown hair noted.
Good Documentation Example
5-mm erythematous papule with centrally embedded hair shaft in right axilla, culture confirms MRSA.
Explanation
The good example provides specific details about the lesion and confirms infection, supporting accurate coding.

Need help with ICD-10 coding for Ingrown Hair? Ask your questions below.

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