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ICD-10 Coding for Hip Dysplasia(M16.2, M16.3, Q65.89)

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

Also known as:

Developmental Dysplasia of the HipCongenital Hip DysplasiaAcetabular Dysplasia

Related ICD-10 Code Ranges

Complete code families applicable to Hip Dysplasia

M16.0-M16.9Primary Range

Osteoarthritis of hip

Covers osteoarthritis resulting from hip dysplasia, including laterality and severity.

Congenital deformities of hip

Used for congenital forms of hip dysplasia diagnosed in infancy.

Other acquired deformities of limbs

Applicable for acquired hip deformities not present at birth.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M16.2Bilateral osteoarthritis resulting from hip dysplasiaUse when both hips show osteoarthritis due to dysplasia.
  • Radiographic confirmation of bilateral acetabular dysplasia
  • Documented degenerative changes
M16.3Unilateral osteoarthritis resulting from hip dysplasiaUse when one hip shows osteoarthritis due to dysplasia.
  • Radiographic confirmation of unilateral acetabular dysplasia
  • Documented degenerative changes
Q65.89Other specified congenital deformities of hipUse for congenital hip dysplasia identified in infancy.
  • Positive Ortolani/Barlow test in infants
  • Ultrasound confirmation

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 hip dysplasia

Essential facts and insights about Hip Dysplasia

The ICD-10 code for bilateral osteoarthritis due to hip dysplasia is M16.2, and for unilateral cases, it is M16.3.

Primary ICD-10-CM Codes for hip dysplasia

Bilateral osteoarthritis resulting from hip dysplasia
Billable Code

Decision Criteria

clinical Criteria

  • Bilateral hip pain with imaging showing dysplasia

Applicable To

  • Bilateral hip osteoarthritis due to dysplasia

Excludes

  • Primary osteoarthritis (M16.1-)

Clinical Validation Requirements

  • Radiographic confirmation of bilateral acetabular dysplasia
  • Documented degenerative changes

Code-Specific Risks

  • Ensure bilateral involvement is documented.

Coding Notes

  • Document the causal relationship between dysplasia and OA.

Ancillary Codes

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

Labral tear of hip

M24.851
Use to document associated labral tears.

Differential Codes

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

Primary osteoarthritis, bilateral

M16.0
Primary OA lacks a dysplastic etiology.

Primary osteoarthritis, unilateral

M16.1
Primary OA lacks a dysplastic etiology.

Other specified acquired deformities of unspecified hip

M21.259
Use for acquired deformities not present at birth.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Hip Dysplasia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M16.2.

Impact

Clinical: May lead to incorrect treatment planning., Regulatory: Non-compliance with ICD-10 coding standards., Financial: Potential claim denials or reduced reimbursement.

Mitigation Strategy

Use documentation templates that require laterality., Educate staff on the importance of complete documentation.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Use M21 codes for acquired conditions.

Impact

Failure to document laterality can lead to audit issues.

Mitigation Strategy

Implement mandatory laterality documentation policies.

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

Documentation Templates for Hip Dysplasia

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

Adult with unilateral hip dysplasia

Specialty: Orthopedics

Required Elements

  • Patient history of hip pain
  • Imaging findings
  • Physical exam results
  • Diagnosis and treatment plan

Example Documentation

Patient presents with right hip pain. X-ray shows shallow acetabulum. Diagnosis: Right hip dysplasia with early OA.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Right hip pain. Dysplasia noted.
Good Documentation Example
Right hip pain with positive anterior impingement test. X-ray shows lateral center-edge angle of 18°.
Explanation
The good example provides specific imaging findings and clinical tests.

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