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v1.0.0
ICD-10 Guide
ICD-10 CodesQ74.2

Q74.2

Billable

Other congenital malformations of lower limb(s), including pelvic girdle

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

Code Description

ICD-10 Q74.2 is a billable code used to indicate a diagnosis of other congenital malformations of lower limb(s), including pelvic girdle.

Key Diagnostic Point:

Congenital malformations of the lower limbs and pelvic girdle encompass a variety of structural abnormalities that can affect the bones, muscles, and joints. These conditions may arise from genetic factors, environmental influences, or a combination of both. Common examples include clubfoot (talipes equinovarus), where the foot is twisted out of shape or position, and developmental dysplasia of the hip (DDH), where the hip joint does not properly form in infants and young children. Limb reduction defects, such as amelia or phocomelia, result in the absence or underdevelopment of limbs. Scoliosis, characterized by an abnormal lateral curvature of the spine, can also be associated with lower limb malformations. These conditions often require multidisciplinary management, including orthopedic interventions, physical therapy, and sometimes surgical correction. Accurate coding is essential for appropriate treatment planning and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of malformations
  • Need for detailed clinical documentation to support coding
  • Potential for co-occurring conditions requiring additional codes
  • Differentiation from similar congenital conditions

Audit Risk Factors

  • Inadequate documentation of the specific malformation
  • Failure to capture co-existing conditions
  • Misclassification of the type of malformation
  • Lack of clarity in the treatment plan

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed growth and developmental assessments, imaging studies, and treatment plans must be documented to support the diagnosis.

Common Clinical Scenarios

Management of clubfoot in infants, hip dysplasia screening in newborns, and limb reduction assessments.

Billing Considerations

Consideration of family history and genetic factors is crucial in pediatric cases.

Genetics

Documentation Requirements

Genetic testing results, family pedigree, and counseling notes should be included to support the diagnosis of congenital malformations.

Common Clinical Scenarios

Evaluation of chromosomal abnormalities associated with limb malformations and genetic counseling for affected families.

Billing Considerations

Understanding the genetic basis of congenital conditions is essential for accurate coding and management.

Coding Guidelines

Inclusion Criteria

Use Q74.2 When
  • Follow the official ICD
  • CM coding guidelines for congenital conditions, ensuring that all relevant clinical information is documented and that the code accurately reflects the patient's condition

Exclusion Criteria

Do NOT use Q74.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27500CPT Code

Open reduction of hip dislocation

Clinical Scenario

Used in cases of congenital hip dislocation requiring surgical intervention.

Documentation Requirements

Operative reports and pre-operative assessments must be documented.

Specialty Considerations

Orthopedic specialists should provide detailed surgical notes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital malformations, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    CDC Birth Defects
  • •
    American Academy of Pediatrics

Coding & Billing References

  • •
    CDC Birth Defects
  • •
    American Academy of Pediatrics

Frequently Asked Questions

What documentation is required for coding Q74.2?

Documentation should include a detailed clinical assessment of the malformation, imaging studies, treatment plans, and any associated conditions. This ensures accurate coding and supports the medical necessity of the services provided.