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v1.0.0
ICD-10 Guide
ICD-10 CodesQ73.0

Q73.0

Billable

Congenital absence of unspecified limb(s)

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

Code Description

ICD-10 Q73.0 is a billable code used to indicate a diagnosis of congenital absence of unspecified limb(s).

Key Diagnostic Point:

Congenital absence of unspecified limb(s) refers to a condition where one or more limbs are absent at birth due to developmental anomalies during gestation. This condition can arise from various factors, including genetic mutations, environmental influences, or teratogenic exposures. The absence may involve the entire limb or parts of it, such as fingers or toes. Congenital limb deficiencies can be classified into several categories, including limb reduction defects, where limbs are partially formed or absent, and deformations, which may occur due to abnormal positioning in utero. Associated conditions may include clubfoot, hip dysplasia, and scoliosis, which can complicate the clinical picture. Accurate coding is essential for appropriate management and treatment planning, as these conditions often require multidisciplinary approaches involving orthopedic specialists, physical therapists, and genetic counselors. Early intervention is crucial for optimizing functional outcomes and improving quality of life for affected individuals.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in limb absence presentation
  • Need for detailed clinical documentation
  • Potential for associated congenital anomalies
  • Differentiation from acquired limb loss

Audit Risk Factors

  • Inadequate documentation of limb absence specifics
  • Failure to report associated congenital anomalies
  • Misclassification of congenital vs. acquired conditions
  • Lack of clarity in clinical notes regarding limb functionality

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation must include detailed descriptions of limb absence, associated conditions, and developmental assessments.

Common Clinical Scenarios

Common scenarios include newborn assessments revealing limb absence, referrals for orthopedic evaluation, and multidisciplinary care planning.

Billing Considerations

Considerations include the age of the patient, developmental milestones, and the need for early intervention services.

Genetics

Documentation Requirements

Genetic documentation should include family history, genetic testing results, and any identified syndromic associations.

Common Clinical Scenarios

Scenarios may involve genetic counseling for families with a history of limb deficiencies or syndromic presentations.

Billing Considerations

Considerations include the potential for chromosomal abnormalities and the need for comprehensive genetic evaluation.

Coding Guidelines

Inclusion Criteria

Use Q73.0 When
  • According to ICD
  • 10 coding guidelines, congenital conditions should be coded based on the specific nature of the malformation, associated conditions, and any relevant clinical findings
  • Documentation must support the diagnosis and detail the extent of limb absence

Exclusion Criteria

Do NOT use Q73.0 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

27599CPT Code

Unlisted procedure on the musculoskeletal system

Clinical Scenario

Used for surgical interventions related to limb absence.

Documentation Requirements

Detailed operative notes and justification for the unlisted procedure.

Specialty Considerations

Orthopedic specialists should provide comprehensive documentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of limb absence and associated anomalies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of limb absence and associated anomalies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of limb absence and associated anomalies.

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 Q73.0?

Documentation must include a clear description of the limb absence, any associated congenital anomalies, and the clinical context, including any interventions or referrals made.