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ICD-10 Coding for Histoplasmosis(B39.0, B39.3)

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

Also known as:

Ohio Valley DiseaseCave DiseaseSpelunker's Lung

Related ICD-10 Code Ranges

Complete code families applicable to Histoplasmosis

B39.0-B39.9Primary Range

Histoplasmosis codes covering various forms and manifestations

This range includes all specific and unspecified forms of histoplasmosis, essential for accurate diagnosis coding.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
B39.0Acute pulmonary histoplasmosis capsulatiUse when acute pulmonary symptoms are present with confirmatory lab tests.
  • Radiologic evidence of nodular infiltrates
  • Positive culture or antigen test
B39.3Disseminated histoplasmosis capsulatiUse for systemic involvement confirmed by lab tests.
  • Positive blood or CSF culture
  • Bone marrow biopsy showing intracellular yeast

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 disseminated histoplasmosis

Essential facts and insights about Histoplasmosis

The ICD-10 code for disseminated histoplasmosis is B39.3, used when systemic involvement is confirmed by lab tests.

Primary ICD-10-CM Codes for histoplasosmsi

Acute pulmonary histoplasmosis capsulati
Billable Code

Decision Criteria

clinical Criteria

  • Presence of acute respiratory symptoms and positive lab tests

Applicable To

  • Acute pulmonary histoplasmosis

Excludes

  • Chronic pulmonary histoplasmosis (B39.1)

Clinical Validation Requirements

  • Radiologic evidence of nodular infiltrates
  • Positive culture or antigen test

Code-Specific Risks

  • Misclassification as chronic if not properly documented

Coding Notes

  • Ensure documentation specifies 'acute' and includes lab confirmation.

Ancillary Codes

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

HIV/AIDS

B20
Code first if present in the patient.

Meningitis in histoplasmosis

G02
Use for CNS involvement.

Differential Codes

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

Chronic pulmonary histoplasmosis capsulati

B39.1
Chronic symptoms with fibrocavitary lesions on imaging.

Acute pulmonary histoplasmosis capsulati

B39.0
Limited to pulmonary symptoms without systemic spread.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Histoplasmosis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code B39.0.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Fails to meet coding specificity standards., Financial: Potential for claim denials or reduced reimbursement.

Mitigation Strategy

Educate clinicians on the importance of detailed documentation., Implement checklists for common infections.

Impact

Reimbursement: May lead to lower DRG assignment and reimbursement., Compliance: Non-compliance with coding specificity requirements., Data Quality: Reduces data accuracy for epidemiological tracking.

Mitigation Strategy

Review documentation for specific type and manifestations to use a more specific code.

Impact

Risk of audits due to use of unspecified codes when specific details are available.

Mitigation Strategy

Regular training on documentation and coding updates.

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

Documentation Templates for Histoplasmosis

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

Acute Pulmonary Histoplasmosis

Specialty: Pulmonology

Required Elements

  • Patient history of exposure
  • Radiologic findings
  • Lab test results

Example Documentation

Patient presents with cough and fever after cave exploration. CXR shows nodular infiltrates. Urine antigen test positive.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has fungal infection.
Good Documentation Example
Patient diagnosed with acute pulmonary histoplasmosis confirmed by positive urine antigen test.
Explanation
The good example specifies the type of infection and includes confirmatory test results.

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

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