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v1.0.0
ICD-10 Guide
ICD-10 CodesQ87.3

Q87.3

Billable

Congenital malformation syndromes involving early overgrowth

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

Code Description

ICD-10 Q87.3 is a billable code used to indicate a diagnosis of congenital malformation syndromes involving early overgrowth.

Key Diagnostic Point:

Congenital malformation syndromes involving early overgrowth are characterized by excessive growth of tissues and organs that can lead to various health complications. These syndromes often present with a combination of physical anomalies, including but not limited to, overgrowth of limbs, facial features, and internal organs. Conditions such as Beckwith-Wiedemann syndrome, Sotos syndrome, and Simpson-Golabi-Behmel syndrome fall under this category. Patients may exhibit macrocephaly, organomegaly, and other associated congenital malformations such as skin tags, breast tissue abnormalities, and splenic anomalies. The pathophysiology often involves genetic mutations affecting growth regulation pathways, leading to dysregulated cellular proliferation. Accurate diagnosis typically requires a multidisciplinary approach, including genetic testing, imaging studies, and clinical evaluation to identify associated anomalies and guide management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation of syndromes
  • Need for genetic testing and interpretation
  • Potential for multiple associated congenital anomalies
  • Documentation of growth parameters and clinical findings

Audit Risk Factors

  • Inadequate documentation of growth metrics
  • Failure to report associated congenital anomalies
  • Misclassification of syndromes
  • Lack of genetic testing results in the medical record

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation must include detailed growth charts, physical examination findings, and any developmental assessments.

Common Clinical Scenarios

Common scenarios include referrals for evaluation of overgrowth, management of associated congenital anomalies, and monitoring for complications.

Billing Considerations

Considerations include the need for ongoing surveillance for malignancies in syndromes like Beckwith-Wiedemann syndrome.

Genetics

Documentation Requirements

Genetic documentation should include family history, results of genetic testing, and any genetic counseling provided.

Common Clinical Scenarios

Scenarios include genetic counseling for families with a history of congenital malformation syndromes and interpretation of genetic test results.

Billing Considerations

Considerations include the implications of genetic findings on family planning and the need for multidisciplinary care.

Coding Guidelines

Inclusion Criteria

Use Q87.3 When
  • Official coding guidelines emphasize the importance of documenting all associated congenital anomalies and the need for genetic testing results to support the diagnosis of congenital malformation syndromes

Exclusion Criteria

Do NOT use Q87.3 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81228CPT Code

Genetic testing for overgrowth syndromes

Clinical Scenario

Used in conjunction with Q87.3 for confirming genetic diagnosis.

Documentation Requirements

Documentation of clinical findings and rationale for testing.

Specialty Considerations

Geneticists should ensure comprehensive family history is included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

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

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    CDC Congenital Malformations

Coding & Billing References

  • •
    CDC Congenital Malformations

Frequently Asked Questions

What documentation is required for coding Q87.3?

Documentation must include clinical findings related to overgrowth, any associated congenital anomalies, and results from genetic testing if applicable. Growth charts and developmental assessments are also critical.