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ICD-10 Guide
ICD-10 CodesE72.10

E72.10

Billable

Disorders of sulfur-bearing amino-acid metabolism, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 E72.10 is a billable code used to indicate a diagnosis of disorders of sulfur-bearing amino-acid metabolism, unspecified.

Key Diagnostic Point:

Disorders of sulfur-bearing amino-acid metabolism encompass a range of metabolic conditions that affect the body's ability to process sulfur-containing amino acids, such as cysteine and methionine. These disorders can lead to a variety of clinical manifestations, including neurological deficits, growth retardation, and metabolic crises. The specific enzyme deficiencies involved in these disorders can vary, leading to different clinical presentations. For instance, cystathionine beta-synthase deficiency can result in homocystinuria, characterized by elevated levels of homocysteine in the urine and blood, which can cause vascular complications and developmental delays. Diagnosis typically involves biochemical testing to measure amino acid levels and genetic testing to identify specific enzyme deficiencies. Management may include dietary modifications, supplementation with specific amino acids, and monitoring for associated complications. Due to the broad spectrum of potential underlying causes and clinical presentations, the unspecified nature of this code indicates that further specificity is needed for accurate diagnosis and treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying enzyme deficiencies
  • Need for biochemical and genetic testing for accurate diagnosis
  • Potential for overlapping symptoms with other metabolic disorders
  • Variability in clinical presentation and severity

Audit Risk Factors

  • Insufficient documentation of clinical symptoms
  • Lack of biochemical testing results
  • Inadequate justification for the unspecified code
  • Failure to document dietary interventions

Specialty Focus

Medical Specialties

Genetics

Documentation Requirements

Detailed family history and genetic testing results.

Common Clinical Scenarios

Patients presenting with developmental delays or unexplained metabolic symptoms.

Billing Considerations

Genetic counseling may be necessary for families.

Pediatrics

Documentation Requirements

Growth charts and developmental assessments.

Common Clinical Scenarios

Infants or children with failure to thrive or neurological symptoms.

Billing Considerations

Monitoring for growth and developmental milestones is crucial.

Coding Guidelines

Inclusion Criteria

Use E72.10 When
  • Follow ICD
  • CM guidelines for coding metabolic disorders
  • Ensure that documentation supports the diagnosis and that any laboratory results are included
  • Use additional codes to specify related conditions or complications

Exclusion Criteria

Do NOT use E72.10 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

83088CPT Code

Amino acid analysis

Clinical Scenario

Used when evaluating patients for suspected metabolic disorders.

Documentation Requirements

Document the rationale for testing and any relevant clinical findings.

Specialty Considerations

Geneticists may require additional genetic testing codes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of metabolic disorders, improving the ability to track and manage these conditions. E72.10 serves as a catch-all for unspecified disorders, but the emphasis on specificity encourages better documentation and patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of metabolic disorders, improving the ability to track and manage these conditions. E72.10 serves as a catch-all for unspecified disorders, but the emphasis on specificity encourages better documentation and patient management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of metabolic disorders, improving the ability to track and manage these conditions. E72.10 serves as a catch-all for unspecified disorders, but the emphasis on specificity encourages better documentation and patient management.

Resources

Clinical References

  • •
    National Organization for Rare Disorders (NORD)

Coding & Billing References

  • •
    National Organization for Rare Disorders (NORD)

Frequently Asked Questions

What are the common symptoms of disorders of sulfur-bearing amino-acid metabolism?

Common symptoms can include developmental delays, neurological deficits, vascular complications, and metabolic crises, depending on the specific disorder.