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2. ICD-10 Codes
3. Chapter - E00-E89
4. Section - E70-E88
5. Category - E73
6. E73.1

E73.1 - Secondary lactase deficiency

• Applicable to Secondary lactase deficiency
• The 2025 edition of ICD10-CM E73.1 became effective on October 1, 2024.
• This is the American ICD10-CM version of E73.1 - other international versions of ICD10 E73.1 may differ.
• E73.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above E73.1 contain annotation back-references that may be applicable to E73.1:

• Chapter: E00-E89 - Endocrine, nutritional and metabolic diseases
• Section: E70-E88 - Metabolic disorders
• Category: E73 - Lactose intolerance

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.