Congenital lactase deficiency
Billable / specific
E73.0 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from E73)
- Note: All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Excludes1
Not coded here — never report together with this code.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74) (from E73)
- androgen insensitivity syndrome (E34.5-) (from E73)
- congenital adrenal hyperplasia (E25.0) (from E73)
- hemolytic anemias attributable to enzyme disorders (D55.-) (from E73)
- Marfan syndrome (Q87.4-) (from E73)
- 5-alpha-reductase deficiency (E29.1) (from E73)
Excludes2
Not included here — may be reported together when both conditions exist.
Also known as
- Alactasia, congenital
- Deficiency, deficient, lactase, congenital
- Intolerance, disaccharide, hereditary
Parent code
- E73Lactose intoleranceHeader