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Home/Diagnosis/ICD-10 Coding for Rash

ICD-10 Coding for Rash

R21
L23.0

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

Also Known as:
Dermatitis
Eczema
Skin Eruption
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Key Information: ICD-10 Coding for Rash

Essential facts and insights about ICD-10 Coding for Rash

Use ICD-10 code R21 for rash and other nonspecific skin eruption, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Rash and other nonspecific skin eruption

Billable Code
R21
Billable

Diagnostic Criteria

clinical:
  • • Rash is present but no specific cause is identified.
coding:
  • • No other specific dermatitis code applies.

Applicable To

  • • Nonspecific rash

Important Notes

  • • Ensure no specific cause or condition is documented before using R21.

Allergic contact dermatitis due to metals

Billable Code
L23.0
Billable

Diagnostic Criteria

clinical:
  • • Positive patch test for metals
  • • Exposure history to metal

Applicable To

  • • Nickel-induced allergic contact dermatitis

Important Notes

  • • Ensure documentation includes specific allergen and test results.
Frequently Asked Questions

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

The ICD-10 code for a nonspecific rash is R21. It is used when no specific cause or condition is identified.

How do you code allergic contact dermatitis?

Allergic contact dermatitis due to metals is coded as L23.0, requiring documentation of a positive patch test and exposure history.

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