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ICD-10 Guide
ICD-10 CodesChapter 17: Congenital malformations and chromosomal abnormalitiesQ74

Q74

Billable

Other congenital malformations of limb(s)

Chapter 17:Congenital malformations and chromosomal abnormalities

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 Q74 is a billable code used to indicate a diagnosis of other congenital malformations of limb(s).

Key Diagnostic Point:

Congenital malformations of the limbs encompass a variety of structural abnormalities that can affect the bones, muscles, and soft tissues. These conditions may arise from genetic factors, environmental influences, or a combination of both during fetal development. Common examples include clubfoot, where the foot is twisted out of shape or position; hip dysplasia, characterized by an improper formation of the hip joint; limb reduction defects, which result in the absence or shortening of limbs; and scoliosis, a curvature of the spine that can affect limb alignment. The severity and implications of these malformations can vary widely, impacting mobility, functionality, and overall quality of life. Early diagnosis and intervention are crucial for managing these conditions, often involving a multidisciplinary approach that includes orthopedic specialists, physical therapists, and genetic counselors. Accurate coding is essential for appropriate treatment planning and reimbursement, as well as for tracking the prevalence and outcomes of these congenital conditions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of limb malformations
  • Need for detailed clinical documentation to support coding
  • Potential overlap with other congenital codes
  • Requirement for multidisciplinary input for accurate diagnosis

Audit Risk Factors

  • Inadequate documentation of the specific type of malformation
  • Failure to link the diagnosis with appropriate treatment codes
  • Misclassification of congenital conditions due to overlapping symptoms
  • Lack of genetic testing documentation when applicable

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include detailed descriptions of the malformation, treatment plans, and any associated comorbidities. Growth and developmental assessments are also critical.

Common Clinical Scenarios

Common scenarios include a newborn diagnosed with clubfoot requiring casting, or a child with hip dysplasia undergoing surgical intervention.

Billing Considerations

Pediatric coders must be aware of the developmental implications of limb malformations and ensure that all relevant clinical information is captured.

Genetics

Documentation Requirements

Genetic documentation should include family history, results of genetic testing, and any syndromic associations with limb malformations.

Common Clinical Scenarios

Scenarios may involve genetic counseling for families with a history of congenital limb defects or evaluation of a child with multiple congenital anomalies.

Billing Considerations

Genetic coders must ensure that chromosomal abnormalities are accurately documented and linked to the limb malformation when applicable.

Coding Guidelines

Inclusion Criteria

Use Q74 When
  • Coders should adhere to the official ICD
  • CM coding guidelines, ensuring that all congenital conditions are coded to the highest level of specificity
  • Documentation must support the diagnosis and any associated conditions

Exclusion Criteria

Do NOT use Q74 When
No specific exclusions found.

Related CPT Codes

27500CPT Code

Repair of clubfoot

Clinical Scenario

Used in cases where surgical intervention is required for clubfoot correction.

Documentation Requirements

Preoperative assessment, surgical notes, and postoperative follow-up.

Specialty Considerations

Orthopedic specialists must document the specific type of clubfoot and any associated procedures.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding congenital malformations, enabling better tracking of these conditions and their management. Coders must familiarize themselves with the new codes to ensure accurate billing and reporting.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding congenital malformations, enabling better tracking of these conditions and their management. Coders must familiarize themselves with the new codes to ensure accurate billing and reporting.

Reimbursement & Billing Impact

billing and reporting.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What documentation is required for coding congenital limb malformations?

Documentation should include a detailed description of the malformation, any imaging studies performed, treatment plans, and follow-up care. Genetic testing results should also be included if applicable.