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ICD-10 Coding for History of Malignant Melanoma(Z85.820)

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

Also known as:

Past Malignant MelanomaResolved Malignant Melanoma

Related ICD-10 Code Ranges

Complete code families applicable to History of Malignant Melanoma

Z85-Z87Primary Range

Personal history of malignant neoplasms

This range includes codes for personal history of malignant neoplasms, specifically Z85.820 for melanoma.

Malignant neoplasms of skin

This range includes active malignant melanoma codes, relevant for differential diagnosis.

Key Information: ICD-10 code for history of malignant melanoma

Essential facts and insights about History of Malignant Melanoma

The ICD-10 code for a history of malignant melanoma is Z85.820, used for patients no longer undergoing treatment.

Primary ICD-10-CM Code for history of malignant melanoma

Personal history of malignant melanoma of skin
Billable Code

Decision Criteria

clinical Criteria

  • Patient has completed all melanoma treatments and is under surveillance.

documentation Criteria

  • Documentation must state 'no evidence of recurrence'.

Applicable To

  • History of excised malignant melanoma

Excludes

  • Current malignant melanoma (C43.-)
  • Melanoma in situ (D03.-)

Clinical Validation Requirements

  • No active treatment ongoing
  • No evidence of recurrence
  • Completed treatment documented

Code-Specific Risks

  • Incorrectly coding as active melanoma when treatment is complete

Coding Notes

  • Ensure documentation clearly states the melanoma is historical with no current treatment.

Ancillary Codes

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

Encounter for follow-up examination after completed treatment

Z08
Use with Z85.820 for surveillance visits.

Differential Codes

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

Malignant melanoma of skin, unspecified

C43.9
Use C43.9 for active melanoma cases.

Melanoma in situ, unspecified

D03.9
Use D03.9 for in situ melanoma, not for history.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Malignant Melanoma to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code Z85.820.

Impact

Clinical: May lead to inappropriate follow-up care., Regulatory: Non-compliance with documentation standards., Financial: Potential denial of claims for surveillance visits.

Mitigation Strategy

Always document treatment completion in the patient's record.

Impact

Reimbursement: Incorrect DRG assignment leading to potential overpayment., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate patient records affecting clinical decisions.

Mitigation Strategy

Use Z85.820 when the melanoma is no longer active.

Impact

Using active melanoma codes for historical cases.

Mitigation Strategy

Regular training on ICD-10 coding updates and documentation requirements.

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

Documentation Templates for History of Malignant Melanoma

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

Post-treatment surveillance visit

Specialty: Dermatology

Required Elements

  • Patient history
  • Treatment completion date
  • Surveillance plan

Example Documentation

Patient presents for routine follow-up. History of malignant melanoma excised on 01/2023. No evidence of recurrence. Surveillance includes bi-annual skin exams.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Hx melanoma.
Good Documentation Example
History of malignant melanoma, excised 01/2023, no recurrence. Surveillance ongoing.
Explanation
The good example provides specific dates and current status, ensuring clarity.

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

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