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ICD-10 Coding for Calcium Pyrophosphate Deposition Disease(M11.20, M11.241)

Complete ICD-10-CM coding and documentation guide for Calcium Pyrophosphate Deposition Disease. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

CPPDPseudogoutChondrocalcinosis

Related ICD-10 Code Ranges

Complete code families applicable to Calcium Pyrophosphate Deposition Disease

M11.20-M11.29Primary Range

Chondrocalcinosis

This range covers site-specific codes for CPPD, which is essential for accurate diagnosis and treatment coding.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M11.20Chondrocalcinosis, unspecified siteUse when the specific site of chondrocalcinosis is not documented.
  • Synovial fluid analysis showing calcium pyrophosphate crystals
  • Imaging showing chondrocalcinosis
M11.241Chondrocalcinosis, right kneeUse when chondrocalcinosis is confirmed in the right knee.
  • Synovial fluid analysis showing calcium pyrophosphate crystals
  • Imaging showing chondrocalcinosis in the right knee

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 CPPD

Essential facts and insights about Calcium Pyrophosphate Deposition Disease

The ICD-10 code for CPPD is M11.20 for unspecified site, with specific codes like M11.241 for the right knee.

Primary ICD-10-CM Codes for cppd

Chondrocalcinosis, unspecified site
Billable Code

Decision Criteria

documentation Criteria

  • Site of chondrocalcinosis is not specified in the medical record.

Applicable To

  • Pseudogout

Excludes

Clinical Validation Requirements

  • Synovial fluid analysis showing calcium pyrophosphate crystals
  • Imaging showing chondrocalcinosis

Code-Specific Risks

  • Risk of using unspecified code when site is known.

Coding Notes

  • Ensure documentation supports the use of an unspecified site code.

Ancillary Codes

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

Hemochromatosis

E83.11
Use when CPPD is associated with hemochromatosis.

Primary hyperparathyroidism

E21.0
Use when CPPD is associated with hyperparathyroidism.

Differential Codes

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

Gout, unspecified

M10.9
Differentiate by confirming presence of monosodium urate crystals for gout.

Gout, right knee

M10.071
Differentiate by confirming presence of monosodium urate crystals for gout.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Calcium Pyrophosphate Deposition Disease to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M11.20.

Impact

Clinical: May lead to incorrect treatment planning., Regulatory: Increases risk of audit and compliance issues., Financial: Potential for denied claims due to lack of specificity.

Mitigation Strategy

Train clinicians on the importance of site-specific documentation., Implement documentation templates that prompt for site details.

Impact

Reimbursement: May lead to lower reimbursement due to lack of specificity., Compliance: Increases risk of audit due to non-specific coding., Data Quality: Reduces data quality and accuracy in health records.

Mitigation Strategy

Ensure documentation specifies the site of chondrocalcinosis.

Impact

High risk of audit if unspecified codes are used when site-specific information is available.

Mitigation Strategy

Ensure documentation includes specific joint involvement.

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 Calcium Pyrophosphate Deposition Disease, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Calcium Pyrophosphate Deposition Disease

Use these documentation templates to ensure complete and accurate documentation for Calcium Pyrophosphate Deposition Disease. These templates include all required elements for proper coding and billing.

Acute pseudogout flare

Specialty: Rheumatology

Required Elements

  • Patient history
  • Physical examination findings
  • Diagnostic test results
  • Assessment and plan

Example Documentation

**Subjective**: 72F c/o acute right knee pain, swelling ×3 days. PMH: Hemochromatosis. **Objective**: Tender, erythematous right knee effusion. X-ray: Chondrocalcinosis in medial meniscus. Synovial fluid: Rhomboid crystals, +5 WBCs. **Assessment**: Acute pseudogout (M11.241) secondary to hemochromatosis (E83.11). **Plan**: Colchicine 0.6 mg BID; rheumatology follow-up.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has pseudogout.
Good Documentation Example
Acute inflammation in right knee; synovial fluid analysis positive for weakly positive birefringent rhomboid crystals under polarized microscopy; X-ray shows chondrocalcinosis.
Explanation
The good example provides specific diagnostic findings and imaging results, supporting the diagnosis and coding.

Need help with ICD-10 coding for Calcium Pyrophosphate Deposition Disease? Ask your questions below.

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