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Home/Diagnosis/ICD-10 Coding for Lactose Intolerance

ICD-10 Coding for Lactose Intolerance

E73.0
E73.1
E73.8

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

Also Known as:
Lactase Deficiency
Milk Sugar Intolerance
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Key Information: ICD-10 Coding for Lactose Intolerance

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

Use ICD-10 code E73.0 for congenital lactase deficiency, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Congenital lactase deficiency

Billable Code
E73.0
Billable

Diagnostic Criteria

  • • Presence of congenital symptoms and genetic confirmation

Applicable To

  • • Congenital lactase deficiency

Important Notes

  • • Ensure genetic confirmation is documented.

Secondary lactase deficiency

Billable Code
E73.1
Billable

Diagnostic Criteria

  • • Temporal relationship with another condition
  • • Endoscopic findings supporting secondary cause
Frequently Asked Questions

What is the ICD-10 code for lactose intolerance?

The ICD-10 code for lactose intolerance includes E73.0 for congenital, E73.1 for secondary, E73.8 for other specified, and E73.9 for unspecified lactose intolerance.

How do you document lactose intolerance?

Document lactose intolerance by specifying the type, confirming diagnostic tests, and correlating symptoms with dietary intake.

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Applicable To

  • • Secondary lactase deficiency

Important Notes

  • • Document the primary condition causing the deficiency.

Other lactose intolerance

Billable Code
E73.8
Billable

Diagnostic Criteria

  • • Specific etiology documented
  • • Age of onset >5 years

Applicable To

  • • Other specified lactose intolerance

Important Notes

  • • Ensure specific etiology is documented.

Unspecified lactose intolerance

Billable Code
E73.9
Billable

Diagnostic Criteria

  • • Symptoms and dietary response documented
  • • Negative secondary workup

Applicable To

  • • Unspecified lactose intolerance

Important Notes

  • • Ensure lack of specific etiology is documented.