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ICD-10 Coding for Candidal Dermatitis(B37.2, L22)

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

Also known as:

Yeast Infection RashCandidal IntertrigoDiaper Rash with Candida

Related ICD-10 Code Ranges

Complete code families applicable to Candidal Dermatitis

B37-B37.9Primary Range

Candidiasis

This range includes all forms of candidiasis, with B37.2 specifically for skin and nail involvement.

Dermatitis and Eczema

Includes L22 for diaper dermatitis, which can be used in conjunction with B37.2 when Candida is present.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
B37.2Candidiasis of skin and nailUse when Candida is confirmed via laboratory tests or clinical findings such as satellite pustules.
  • KOH prep showing pseudohyphae
  • Fungal culture positive for Candida
L22Diaper dermatitisUse when diaper dermatitis is present, especially if Candida is confirmed.
  • Clinical diagnosis of diaper rash

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 candidal dermatitis

Essential facts and insights about Candidal Dermatitis

The ICD-10 code for candidal dermatitis is B37.2, used for candidiasis of the skin and nail. L22 is used as a secondary code for diaper dermatitis with Candida.

Primary ICD-10-CM Codes for candidal dermatitis

Candidiasis of skin and nail
Billable Code

Decision Criteria

clinical Criteria

  • Presence of satellite pustules and positive KOH prep

documentation Criteria

  • Specific mention of Candida or yeast infection

Applicable To

  • Candidal intertrigo
  • Candidal paronychia

Excludes

  • Diaper dermatitis (L22)

Clinical Validation Requirements

  • KOH prep showing pseudohyphae
  • Fungal culture positive for Candida

Code-Specific Risks

  • Misidentifying non-Candida dermatitis as candidal
  • Failure to document specific Candida confirmation

Coding Notes

  • Ensure documentation specifies Candida presence through clinical or lab confirmation.

Ancillary Codes

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

Diaper dermatitis

L22
Use with B37.2 when Candida is confirmed in diaper area.

Differential Codes

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

Other specified dermatitis

L30.8
Use for dermatitis not caused by Candida, characterized by linear or geometric patterns.

Tinea cruris

B35.4
Use for fungal infections with scaly borders and central clearing, confirmed by KOH prep showing hyphae.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Candidal Dermatitis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code B37.2.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims or reduced reimbursement.

Mitigation Strategy

Educate clinicians on documentation standards, Use templates to ensure completeness

Impact

Reimbursement: Incorrect coding may lead to improper DRG assignment., Compliance: Failure to comply with coding guidelines for Excludes2 notes., Data Quality: Inaccurate representation of patient condition in medical records.

Mitigation Strategy

Code B37.2 + L22 when Candida is confirmed.

Impact

Failure to sequence B37.2 before L22 when both are applicable.

Mitigation Strategy

Educate coders on proper sequencing rules.

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 Candidal Dermatitis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Candidal Dermatitis

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

Infant with diaper rash and confirmed Candida

Specialty: Pediatrics

Required Elements

  • Location of rash
  • Description of lesions
  • Test results (KOH, culture)
  • Risk factors (e.g., antibiotic use)

Example Documentation

Location: Perianal region; Characteristics: Bright red erythema, satellite pustules; Testing: KOH+ pseudohyphae; Risk Factors: Recent antibiotic use.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Rash under diaper.
Good Documentation Example
Erythematous, macerated plaques with satellite pustules in diaper area; KOH+ for Candida.
Explanation
The good example provides specific clinical findings and test results confirming Candida.

Need help with ICD-10 coding for Candidal Dermatitis? Ask your questions below.

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