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v1.0.0
ICD-10 Guide
ICD-10 CodesQ92.62

Q92.62

Billable

Marker chromosomes in abnormal individual

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

Code Description

ICD-10 Q92.62 is a billable code used to indicate a diagnosis of marker chromosomes in abnormal individual.

Key Diagnostic Point:

Marker chromosomes are additional chromosomal material that can be identified in an individual's karyotype, which may not correspond to any known chromosomal abnormalities. These markers can arise from various genetic events, such as duplications, translocations, or other chromosomal rearrangements. The presence of marker chromosomes can lead to a range of clinical manifestations, including developmental delays, congenital malformations, and increased risk for certain genetic disorders. The clinical significance of marker chromosomes often requires further genetic testing and counseling to determine their impact on the individual's health and development. In pediatric populations, the identification of marker chromosomes is crucial for early intervention and management strategies, as these abnormalities can be associated with a spectrum of phenotypic outcomes. Geneticists and pediatricians must work collaboratively to interpret the findings and provide appropriate care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation associated with marker chromosomes.
  • Need for comprehensive genetic testing to determine significance.
  • Potential for overlapping symptoms with other chromosomal abnormalities.
  • Documentation of family history and genetic counseling requirements.

Audit Risk Factors

  • Inadequate documentation of genetic testing results.
  • Failure to link clinical findings with the presence of marker chromosomes.
  • Misinterpretation of the significance of marker chromosomes.
  • Lack of family history documentation.

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include developmental assessments, family history, and any associated congenital anomalies.

Common Clinical Scenarios

Common scenarios include referrals for developmental delays, unexplained congenital anomalies, and routine genetic evaluations.

Billing Considerations

Pediatricians should ensure that all findings are documented clearly to support the diagnosis and any associated interventions.

Genetics

Documentation Requirements

Genetic documentation must include detailed karyotype analysis, family pedigree, and any genetic counseling notes.

Common Clinical Scenarios

Scenarios include prenatal genetic testing, postnatal evaluations for suspected genetic disorders, and follow-up for identified marker chromosomes.

Billing Considerations

Geneticists should provide clear explanations of the implications of marker chromosomes for the patient and family.

Coding Guidelines

Inclusion Criteria

Use Q92.62 When
  • According to ICD
  • 10 coding guidelines, Q92
  • 62 should be used when marker chromosomes are identified in an individual with abnormal clinical findings
  • Coders must ensure that the diagnosis is supported by appropriate genetic testing and clinical documentation

Exclusion Criteria

Do NOT use Q92.62 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81291CPT Code

Chromosomal analysis, karyotype

Clinical Scenario

Used when marker chromosomes are identified during genetic testing.

Documentation Requirements

Karyotype report and clinical indication for testing.

Specialty Considerations

Geneticists should ensure that the report includes detailed findings related to marker chromosomes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of chromosomal abnormalities, including marker chromosomes, which aids in better tracking and management of these conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of chromosomal abnormalities, including marker chromosomes, which aids in better tracking and management of these conditions.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of chromosomal abnormalities, including marker chromosomes, which aids in better tracking and management of these conditions.

Resources

Clinical References

  • •
    Genetics Home Reference

Coding & Billing References

  • •
    Genetics Home Reference

Frequently Asked Questions

What are marker chromosomes?

Marker chromosomes are additional chromosomal material that can be identified in an individual's karyotype, which may not correspond to any known chromosomal abnormalities. Their clinical significance can vary widely.