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v1.0.0
ICD-10 Guide
ICD-10 CodesQ85.00

Q85.00

Billable

Neurofibromatosis, unspecified

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

Code Description

ICD-10 Q85.00 is a billable code used to indicate a diagnosis of neurofibromatosis, unspecified.

Key Diagnostic Point:

Neurofibromatosis is a genetic disorder characterized by the development of multiple benign tumors called neurofibromas, which arise from the peripheral nervous system. This condition can manifest in various forms, primarily Neurofibromatosis type 1 (NF1) and type 2 (NF2), with NF1 being the most common. Patients may present with café-au-lait spots, freckling in the axillary or groin regions, and Lisch nodules in the iris. Neurofibromatosis can also lead to complications such as scoliosis, learning disabilities, and an increased risk of certain malignancies. The unspecified code Q85.00 is used when the specific type of neurofibromatosis is not documented, necessitating careful clinical evaluation and documentation to ensure accurate coding and management. The condition is often diagnosed in childhood, and ongoing monitoring is essential to manage potential complications effectively.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of symptoms
  • Need for precise documentation to differentiate between types of neurofibromatosis
  • Potential for associated conditions that may complicate coding
  • Variability in treatment approaches and follow-up care

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Misclassification of neurofibromatosis types
  • Failure to document associated conditions
  • Inconsistent coding practices across providers

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include growth and developmental assessments, family history of neurofibromatosis, and any associated comorbidities.

Common Clinical Scenarios

Common scenarios include routine monitoring of neurofibromas, management of learning disabilities, and referrals for orthopedic evaluations.

Billing Considerations

Special considerations include the need for multidisciplinary care involving genetics, neurology, and oncology.

Genetics

Documentation Requirements

Genetic documentation should include results from genetic testing, family pedigree analysis, and counseling notes.

Common Clinical Scenarios

Genetic counseling for families with a history of neurofibromatosis and discussions regarding the implications of genetic testing.

Billing Considerations

Considerations include the interpretation of genetic test results and their impact on family planning.

Coding Guidelines

Inclusion Criteria

Use Q85.00 When
  • Coders should adhere to the official ICD
  • CM coding guidelines, ensuring that all documentation supports the diagnosis
  • Specific attention should be paid to the guidelines regarding congenital conditions and genetic disorders

Exclusion Criteria

Do NOT use Q85.00 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

81214CPT Code

Genetic testing for NF1

Clinical Scenario

Used when genetic testing is performed to confirm a diagnosis of neurofibromatosis.

Documentation Requirements

Documentation of clinical indications for testing and results.

Specialty Considerations

Genetic specialists should ensure that family history is documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

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

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    Neurofibromatosis Network

Coding & Billing References

  • •
    Neurofibromatosis Network

Frequently Asked Questions

What documentation is needed for coding neurofibromatosis?

Comprehensive documentation should include clinical findings, family history, results from genetic testing, and any associated conditions to ensure accurate coding and billing.