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ICD-10 Guide
ICD-10 CodesL27.8

L27.8

Billable

Dermatitis due to other substances taken internally

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 L27.8 is a billable code used to indicate a diagnosis of dermatitis due to other substances taken internally.

Key Diagnostic Point:

L27.8 refers to dermatitis due to other substances taken internally, which encompasses a range of skin reactions resulting from systemic exposure to various substances, including medications, supplements, and toxins. Clinically, patients may present with erythema, pruritus, and vesicular eruptions that can vary in severity. The anatomy involved primarily includes the skin and its appendages, where the inflammatory response manifests. Disease progression can vary, with some patients experiencing acute reactions that resolve upon discontinuation of the offending agent, while others may develop chronic dermatitis requiring ongoing management. Diagnostic considerations include a thorough patient history to identify potential exposures, physical examination findings, and, when necessary, patch testing or laboratory evaluations to rule out other dermatological conditions. Accurate diagnosis is crucial, as it informs treatment strategies and helps prevent future reactions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

Specialty Focus

Medical Specialties

Dermatology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Allergy and Immunology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

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ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of L27.8 lies in its association with systemic reactions to various substances, which can affect patient quality of life and necessitate changes in medication or lifestyle. Understanding the epidemiology of such dermatitis can inform public health initiatives aimed at reducing exposure to harmful substances. Quality measures may include monitoring the incidence of dermatitis cases related to internal substances, which can influence healthcare utilization patterns and resource allocation.

ICD-9 vs ICD-10

The clinical significance of L27.8 lies in its association with systemic reactions to various substances, which can affect patient quality of life and necessitate changes in medication or lifestyle. Understanding the epidemiology of such dermatitis can inform public health initiatives aimed at reducing exposure to harmful substances. Quality measures may include monitoring the incidence of dermatitis cases related to internal substances, which can influence healthcare utilization patterns and resource allocation.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the medical necessity for the visit and any procedures performed is clearly documented. Common denials may arise from insufficient documentation linking the dermatitis to the substances taken. Coders should ensure that all relevant information is captured in the medical record, including patient history, examination findings, and treatment plans, to facilitate accurate billing and reduce the risk of audits.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by L27.8?

L27.8 covers dermatitis caused by various substances taken internally, including but not limited to medications (e.g., antibiotics, NSAIDs), dietary supplements, and environmental toxins. It is essential to establish a clear link between the substance and the dermatitis through patient history and clinical evaluation.

When should L27.8 be used instead of related codes?

L27.8 should be used when the dermatitis is specifically attributed to substances not classified under other codes, such as L27.0. If the substance is known and documented, L27.8 is appropriate for cases where the exact cause is less clear or involves multiple agents.

What documentation supports L27.8?

Documentation should include a detailed patient history outlining the substances taken, onset of symptoms, and any previous reactions. Clinical notes should describe the physical examination findings and any diagnostic tests performed to support the diagnosis of dermatitis due to internal substances.