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ICD-10 Coding for Chondrocalcinosis(M11.20, M11.261)

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

Also known as:

Calcium Pyrophosphate Dihydrate Deposition DiseaseCPPDPseudogout

Related ICD-10 Code Ranges

Complete code families applicable to Chondrocalcinosis

M11.2-M11.29Primary Range

Chondrocalcinosis

This range includes codes for chondrocalcinosis affecting various joints, essential for accurate diagnosis and treatment documentation.

Disorders of calcium metabolism

Used when chondrocalcinosis is secondary to a metabolic disorder such as hyperparathyroidism.

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 imaging confirms CPPD but specific joint involvement is not documented.
  • Radiographic evidence of chondrocalcinosis without acute symptoms
M11.261Chondrocalcinosis, right kneeUse when acute symptoms and CPP crystals are confirmed in the right knee.
  • Synovial fluid analysis showing CPP crystals
  • Radiographic evidence of chondrocalcinosis in 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 chondrocalcinosis

Essential facts and insights about Chondrocalcinosis

The ICD-10 code for unspecified chondrocalcinosis is M11.20, while specific joint involvement, such as the right knee, is coded as M11.261.

Primary ICD-10-CM Codes for chondrocalcinosis

Chondrocalcinosis, unspecified site
Billable Code

Decision Criteria

clinical Criteria

  • Radiographic evidence without specific joint symptoms.

Applicable To

  • Chondrocalcinosis without specific joint documentation

Excludes

  • Gout (M10.-)
  • Chronic post-traumatic arthropathy (M12.8-)

Clinical Validation Requirements

  • Radiographic evidence of chondrocalcinosis without acute symptoms

Code-Specific Risks

  • Risk of under-documentation if specific joint is known but not recorded.

Coding Notes

  • Ensure imaging confirms chondrocalcinosis before using this code.

Ancillary Codes

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

Other disorders of calcium metabolism

E83.59
Use when chondrocalcinosis is linked to a metabolic disorder.

Differential Codes

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

Gout

M10.-
Use only if urate crystals are confirmed.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Chondrocalcinosis 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 incomplete treatment plans., Regulatory: Non-compliance with coding guidelines., Financial: Potential loss of reimbursement for related conditions.

Mitigation Strategy

Always assess for underlying metabolic disorders., Document any related conditions clearly.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with specificity requirements., Data Quality: Decreases accuracy of clinical data.

Mitigation Strategy

Always document and code the specific joint involved if known.

Impact

Risk of audits due to unspecified joint coding.

Mitigation Strategy

Always document and code the specific joint involved.

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

Documentation Templates for Chondrocalcinosis

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

Rheumatology Progress Note

Specialty: Rheumatology

Required Elements

  • Assessment of joint involvement
  • Imaging results
  • Synovial fluid analysis
  • Link to metabolic disorder if applicable

Example Documentation

ASSESSMENT: Chronic CPPD arthropathy with ultrasound-confirmed deposits in left knee.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Joint pain, rule out pseudogout.
Good Documentation Example
Acute left wrist swelling with CPP crystals on compensated polarized microscopy and chondrocalcinosis on radiograph.
Explanation
The good example provides specific findings and diagnostic confirmation.

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

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