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ICD-10 Coding for Breast Rash(L30.4, R21)

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

Also known as:

IntertrigoDermatitis under breastInframammary rash

Related ICD-10 Code Ranges

Complete code families applicable to Breast Rash

L20-L30Primary Range

Dermatitis and eczema

This range includes various forms of dermatitis, including intertrigo, which is a common cause of breast rash.

Symptoms and signs involving the skin and subcutaneous tissue

This range includes nonspecific skin symptoms like rash, which may be used when a specific dermatitis type is not identified.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
L30.4Erythema intertrigoUse for non-traumatic erythema in skin folds, particularly under the breast.
  • Presence of erythematous plaques in skin folds
  • Maceration and satellite pustules
R21Rash and other nonspecific skin eruptionUse when the rash lacks specific descriptors for dermatitis classification.
  • Generalized erythema without specific dermatitis features

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 breast rash

Essential facts and insights about Breast Rash

The ICD-10 code for breast rash, specifically intertrigo, is L30.4. This code is used for non-traumatic erythema in skin folds.

Primary ICD-10-CM Codes for breast rash

Erythema intertrigo
Billable Code

Decision Criteria

clinical Criteria

  • Erythematous plaques with maceration in skin folds

coding Criteria

  • Non-traumatic origin confirmed

Applicable To

  • Intertrigo
  • Maceration in skin folds

Excludes

  • Candidiasis of skin (B37.2)
  • Diaper dermatitis (L22)

Clinical Validation Requirements

  • Presence of erythematous plaques in skin folds
  • Maceration and satellite pustules

Code-Specific Risks

  • Misclassification as a traumatic injury

Coding Notes

  • Ensure documentation specifies non-traumatic origin and presence of intertrigo characteristics.

Ancillary Codes

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

Other forms of candidiasis

B37.89
Use if a secondary fungal infection is present.

Differential Codes

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

Rash and other nonspecific skin eruption

R21
Use R21 when the rash is nonspecific and lacks clear signs of dermatitis.

Erythema intertrigo

L30.4
Use L30.4 when intertrigo characteristics are present.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Breast Rash to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code L30.4.

Impact

Clinical: Leads to nonspecific coding., Regulatory: Potential for audit issues., Financial: May affect reimbursement rates.

Mitigation Strategy

Use specific descriptors for rash characteristics, Include detailed patient history

Impact

Reimbursement: Incorrect coding may lead to lower reimbursement., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use L30.4 for intertrigo unless trauma is documented.

Impact

Lack of specificity can lead to incorrect coding and audits.

Mitigation Strategy

Ensure detailed documentation of rash characteristics and etiology.

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 Breast Rash, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Breast Rash

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

Intertrigo under breast

Specialty: Dermatology

Required Elements

  • Location and size of rash
  • Morphology and characteristics
  • Temporal context

Example Documentation

Patient presents with erythematous plaques in the inframammary fold, measuring 8cm x 4cm, with maceration and satellite pustules.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Breast rash. Treat with cream.
Good Documentation Example
50yo F with 6-week history of pruritic, sharply demarcated erythema in left inframammary fold (8cm x 4cm). Skin scraping shows hyphae.
Explanation
The good example provides specific details about the rash's location, size, and characteristics, supporting the use of L30.4.

Need help with ICD-10 coding for Breast Rash? Ask your questions below.

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