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Home/Diagnosis/ICD-10 Coding for Facial Rash

ICD-10 Coding for Facial Rash

L21
L23.9
R21

Complete ICD-10-CM coding and documentation guide for icd-10 coding for facial rash includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Facial Dermatitis
Facial Eruption
rash on face
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Key Information: ICD-10 Coding for Facial Rash

Essential facts and insights about ICD-10 Coding for Facial Rash

Use ICD-10 code L21 for seborrheic dermatitis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Seborrheic dermatitis

Non-Billable
L21
Non-Billable

Diagnostic Criteria

  • • Presence of greasy scales and erythema in sebaceous areas

Applicable To

  • • Seborrheic dermatitis of the face

Important Notes

  • • Ensure documentation specifies seborrheic dermatitis features.

Allergic contact dermatitis, unspecified

Billable Code
L23.9
Billable

Diagnostic Criteria

  • • Positive patch test for allergens
  • • Rash distribution matching allergen exposure

Applicable To

  • • Allergic contact dermatitis of the face

Important Notes

  • • Document allergen exposure and test results.

Rash and other nonspecific skin eruption

Billable Code
R21
Billable

Diagnostic Criteria

  • • Generalized erythema without identifiable cause

Applicable To

  • • Nonspecific facial rash

Important Notes

  • • Avoid using if a more specific diagnosis can be made.
Ancillary Codes

Additional codes that may be used with this diagnosis

B95.6

Malassezia yeast

Use if Malassezia is identified as the infectious agent.

Z77.22

Cosmetic exposure

Use if the rash is due to cosmetic products.

Frequently Asked Questions

What is the ICD-10 code for a facial rash?

The ICD-10 code for a nonspecific facial rash is R21. For specific types like seborrheic dermatitis, use L21.

How to code allergic contact dermatitis on the face?

Use ICD-10 code L23.9 for unspecified allergic contact dermatitis on the face, ensuring documentation of allergen exposure.

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