E74.05 – Lysosome-associated membrane protein 2 [LAMP2] deficiency

ICD-10-CM 2027 diagnosis code · Metabolic disorders

Billable code

ICD-10-CM code E74.05

Code: E74.05 (claims format: E7405)
Description: Lysosome-associated membrane protein 2 [LAMP2] deficiency
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: E70-E88 Metabolic disorders
Parent codes: E74 › E74.0

Notes for E74.05

Applicable to:

Danon disease

Code also:

, if applicable, associated manifestations such as:
dilated cardiomyopathy (I42.0-)
obstructive hypertrophic cardiomyopathy (I42.1)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

E74 – Other disorders of carbohydrate metabolism

Excludes1 (not coded here):

diabetes mellitus (E08-E13)
hypoglycemia NOS (E16.2)
increased secretion of glucagon (E16.3)
mucopolysaccharidosis (E76.0-E76.3)

Block E70-E88

Excludes1 (not coded here):

androgen insensitivity syndrome (E34.5-)
congenital adrenal hyperplasia (E25.0)
hemolytic anemias attributable to enzyme disorders (D55.-)
Marfan syndrome (Q87.4-)
5-alpha-reductase deficiency (E29.1)

Excludes2 (not included here):

Ehlers-Danlos syndromes (Q79.6-)

Index terms for E74.05

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in E74.0

E74.00 – Glycogen storage disease, unspecifiedBillable
E74.01 – von Gierke diseaseBillable
E74.02 – Pompe diseaseBillable
E74.03 – Cori diseaseBillable
E74.04 – McArdle diseaseBillable
E74.09 – Other glycogen storage diseaseBillable

Frequently asked questions

What is ICD-10 code E74.05?

E74.05 is the ICD-10-CM code for lysosome-associated membrane protein 2 [LAMP2] deficiency, in the block E70-E88 (Metabolic disorders).

Is E74.05 a billable code?

Yes. E74.05 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does E74.05 belong to?

It belongs to category E74 – Other disorders of carbohydrate metabolism.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.