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ICD-10 Coding for Paget's Disease(C50.011, M88.0)

Complete ICD-10-CM coding and documentation guide for Paget's Disease. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Mammary Paget's DiseaseExtramammary Paget's DiseasePaget's Disease of Bone

Related ICD-10 Code Ranges

Complete code families applicable to Paget's Disease

Malignant neoplasm of breast

Used for coding mammary Paget's disease with underlying carcinoma.

Carcinoma in situ of vulva

Used for coding extramammary Paget's disease in situ.

Malignant neoplasm of vulva

Used for coding invasive extramammary Paget's disease.

M88.0-M88.9Primary Range

Paget's disease of bone

Primary range for coding Paget's disease of bone.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
C50.011Malignant neoplasm of nipple and areola, female, right breastUse when mammary Paget's disease is confirmed with underlying carcinoma.
  • Biopsy showing Paget cells
  • HER2+ tumor cells on biopsy
M88.0Paget's disease of bone, skullUse for Paget's disease affecting the skull.
  • Elevated serum ALP
  • Lytic-blastic lesions on X-ray

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 Paget's disease of bone

Essential facts and insights about Paget's Disease

The ICD-10 code for Paget's disease of bone is M88.0-M88.9, depending on the specific bone involved.

Primary ICD-10-CM Codes for paget's disease

Malignant neoplasm of nipple and areola, female, right breast
Billable Code

Decision Criteria

clinical Criteria

  • Presence of Paget cells and underlying carcinoma

Applicable To

  • Mammary Paget's disease with underlying carcinoma

Excludes

  • Benign neoplasm of breast

Clinical Validation Requirements

  • Biopsy showing Paget cells
  • HER2+ tumor cells on biopsy

Code-Specific Risks

  • Incorrect laterality coding

Coding Notes

  • Ensure documentation specifies laterality and underlying carcinoma.

Ancillary Codes

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

Estrogen receptor positive status

Z17.01
Use to indicate hormone receptor status.

Pathologic fracture in Paget's bone

M84.58_
Use when a fracture is present due to Paget's disease.

Differential Codes

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

Carcinoma in situ of breast

D05._
Use when carcinoma is in situ without invasive components.

Osteoporosis without current pathological fracture

M81._
Use when bone density loss is primary without Paget's changes.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Paget's Disease to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code C50.011.

Impact

Clinical: Inaccurate representation of patient's condition., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation Strategy

Review biopsy results for underlying malignancy, Ensure documentation includes all relevant details

Impact

Reimbursement: May lead to denied claims due to lack of specificity., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Ensure documentation specifies right or left breast.

Impact

Failure to specify laterality in breast cancer coding.

Mitigation Strategy

Implement a checklist for documentation review.

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 Paget's Disease, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Paget's Disease

Use these documentation templates to ensure complete and accurate documentation for Paget's Disease. These templates include all required elements for proper coding and billing.

Mammary Paget's Disease with Underlying Carcinoma

Specialty: Oncology

Required Elements

  • Biopsy results
  • HER2 status
  • Laterality

Example Documentation

Patient presents with Paget disease of left nipple with underlying HER2+ ductal carcinoma in situ.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Paget's disease of breast
Good Documentation Example
Paget disease of left nipple with underlying HER2+ ductal carcinoma in situ, confirmed by biopsy.
Explanation
The good example specifies laterality and underlying condition, ensuring accurate coding.

Need help with ICD-10 coding for Paget's Disease? Ask your questions below.

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