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ICD-10 Coding for History of Oral Candidiasis(Z86.19, B37.0)

Complete ICD-10-CM coding and documentation guide for History of Oral Candidiasis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

History of Oral ThrushResolved Oral Candidiasis

Related ICD-10 Code Ranges

Complete code families applicable to History of Oral Candidiasis

Z86-Z87Primary Range

Personal history of certain other diseases

This range includes codes for personal history of diseases that are no longer present, including infectious diseases like oral candidiasis.

Candidiasis

This range includes codes for active candidiasis infections, such as oral thrush.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
Z86.19Personal history of other infectious and parasitic diseasesUse when the patient has a history of oral candidiasis that is no longer active.
  • Documented resolution of oral candidiasis
  • Past treatment records indicating resolution
B37.0Candidal stomatitisUse for active cases of oral candidiasis with current symptoms.
  • Current clinical symptoms of oral thrush
  • Positive KOH smear or culture for Candida

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 history of oral candidiasis

Essential facts and insights about History of Oral Candidiasis

The ICD-10 code for a history of oral candidiasis is Z86.19.

Primary ICD-10-CM Codes for history of oral candidiasis

Personal history of other infectious and parasitic diseases
Billable Code

Decision Criteria

clinical Criteria

  • Patient has no current symptoms of oral candidiasis.

documentation Criteria

  • Past treatment and resolution are documented.

Applicable To

  • Resolved oral candidiasis

Excludes

  • Active candidiasis (B37.0)

Clinical Validation Requirements

  • Documented resolution of oral candidiasis
  • Past treatment records indicating resolution

Code-Specific Risks

  • Misclassification as active infection

Coding Notes

  • Ensure documentation clearly states the condition is historical and resolved.

Ancillary Codes

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

Long-term use of antibiotics

Z79.2
Use if the history of candidiasis is related to prolonged antibiotic use.

HIV status

Z94.0
Use if the history of candidiasis is linked to immunosuppression.

Differential Codes

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

Candidal stomatitis

B37.0
Use B37.0 for active oral candidiasis with current symptoms.

Oral mucositis

K13.3
Differentiate based on etiology; mucositis is often chemotherapy-induced.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Oral Candidiasis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z86.19.

Impact

Clinical: Misleading patient history., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Always use 'history of' in documentation for resolved conditions.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate patient history records.

Mitigation Strategy

Use Z86.19 for historical cases.

Impact

Confusion between coding for resolved vs. active conditions.

Mitigation Strategy

Ensure documentation clearly states the condition's status.

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 History of Oral Candidiasis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Oral Candidiasis

Use these documentation templates to ensure complete and accurate documentation for History of Oral Candidiasis. These templates include all required elements for proper coding and billing.

Routine follow-up for a patient with a history of oral candidiasis.

Specialty: Primary Care

Required Elements

  • Patient history
  • Resolution status
  • Past treatment details

Example Documentation

Patient has a history of oral thrush, last treated in 2023 with nystatin, currently asymptomatic.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Previous thrush
Good Documentation Example
History of oral candidiasis diagnosed via fungal culture (Candida albicans) in 2023, resolved after 14-day course of clotrimazole troches.
Explanation
The good example provides specific details on diagnosis, treatment, and resolution.

Need help with ICD-10 coding for History of Oral Candidiasis? Ask your questions below.

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