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ICD-10 Coding for Genu Valgum(M21.06-, Q74.1)

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

Also known as:

Knock KneesValgus Deformity

Related ICD-10 Code Ranges

Complete code families applicable to Genu Valgum

M21.06-M21.069Primary Range

Acquired genu valgum

This range covers acquired valgus deformities, specifying laterality and etiology.

Congenital genu valgum

This code is used for congenital cases of genu valgum.

Vitamin D deficiency

Used when genu valgum is secondary to rickets due to vitamin D deficiency.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M21.06-Valgus deformity, not elsewhere classifiedUse for acquired cases with specified laterality.
  • Documented acquired etiology
  • Laterality specified
  • Imaging confirmation
Q74.1Congenital genu valgumUse for congenital cases only.
  • Congenital origin documented
  • Present since birth

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 genu valgum

Essential facts and insights about Genu Valgum

The ICD-10 code for acquired genu valgum is M21.06-, with specific codes for laterality. Congenital cases use Q74.1.

Primary ICD-10-CM Codes for genu valgum

Valgus deformity, not elsewhere classified
Non-billable Code

Decision Criteria

clinical Criteria

  • Acquired etiology with imaging confirmation.

documentation Criteria

  • Laterality must be specified.

Applicable To

  • Acquired genu valgum

Excludes

  • Congenital genu valgum (Q74.1)

Clinical Validation Requirements

  • Documented acquired etiology
  • Laterality specified
  • Imaging confirmation

Code-Specific Risks

  • Risk of unspecified laterality leading to audit issues.

Coding Notes

  • Ensure laterality and etiology are documented.

Ancillary Codes

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

Vitamin D deficiency

E55.0
Use when rickets is the underlying cause.

Differential Codes

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

Congenital genu valgum

Q74.1
Use for congenital cases, present since birth.

Acquired valgus deformity

M21.06-
Use for acquired cases with specified laterality.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Genu Valgum to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M21.06-.

Impact

Clinical: Inaccurate diagnosis and treatment planning., Regulatory: Non-compliance with coding guidelines., Financial: Potential claim denials.

Mitigation Strategy

Always assess and document any underlying conditions.

Impact

Reimbursement: May lead to denied claims., Compliance: Non-compliance with coding standards., Data Quality: Inaccurate clinical data.

Mitigation Strategy

Always specify laterality and etiology.

Impact

Using unspecified codes can trigger audits.

Mitigation Strategy

Always specify laterality and etiology.

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

Documentation Templates for Genu Valgum

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

Orthopedic evaluation of genu valgum

Specialty: Orthopedics

Required Elements

  • History of present illness
  • Physical examination findings
  • Imaging results
  • Underlying causes

Example Documentation

Patient presents with bilateral genu valgum, intermalleolar distance 9cm, confirmed by AP radiograph showing mechanical axis deviation of +14°.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Valgus knees, will follow up.
Good Documentation Example
Bilateral acquired genu valgum with HKA +18°, intermalleolar 10cm. Referred for hemiepiphysiodesis due to failed conservative management.
Explanation
The good example provides specific measurements and a clear treatment plan.

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

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