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Home/Diagnosis/ICD-10 Coding for Milk Intolerance

ICD-10 Coding for Milk Intolerance

E73.9
E73.0
E73.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for milk intolerance includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Lactose Intolerance
Dairy Intolerance
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Key Information: ICD-10 Coding for Milk Intolerance

Essential facts and insights about ICD-10 Coding for Milk Intolerance

Use ICD-10 code E73.9 for lactose intolerance, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Lactose intolerance, unspecified

Billable Code
E73.9
Billable

Diagnostic Criteria

  • • Hydrogen breath test showing ≥20 ppm increase
  • • Lactose tolerance test with glucose rise <20 mg/dL

Applicable To

  • • General lactose intolerance without further specification

Important Notes

  • • Ensure documentation includes specific test results to support diagnosis.

Congenital lactase deficiency

Billable Code
E73.0
Billable

Diagnostic Criteria

  • • Genetic testing confirming LCT gene mutation

Applicable To

  • • Genetically confirmed lactase deficiency

Important Notes

  • • Document genetic test results clearly.

Secondary lactase deficiency

Billable Code
E73.1
Billable

Diagnostic Criteria

  • • Documentation of underlying condition causing deficiency

Applicable To

  • • Lactase deficiency due to another condition

Important Notes

  • • Ensure linkage to the primary condition is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

R14.2

Gas pain

Use for symptoms like bloating or cramping associated with lactose intolerance.

Frequently Asked Questions

What is the ICD-10 code for milk intolerance?

The ICD-10 code for unspecified lactose intolerance is E73.9. For congenital lactase deficiency, use E73.0, and for secondary lactase deficiency, use E73.1.

How is lactose intolerance documented?

Document lactose intolerance by noting specific symptoms, test results like hydrogen breath test, and dietary recommendations. Ensure clear linkage between symptoms and diagnosis.

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