Sign in →

Test Code LALB Lysosomal Acid Lipase, Blood

Useful For

Evaluation of patients with a clinical presentation suggestive of lysosomal acid lipase deficiency using blood specimens

 

This test is not useful to determine carrier status for cholesteryl ester storage disease or Wolman disease.

Reporting Name

Lysosomal Acid Lipase, B

Specimen Type

Whole blood


Specimen Required


Container/Tube:

Preferred: Lavender top (EDTA)

Acceptable: Yellow top (ACD) or green top (sodium heparin)

Specimen Volume: 2 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole blood Refrigerated (preferred) 7 days
  Ambient  7 days

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

≥21.0 nmol/h/mL

Day(s) Performed

Friday

Report Available

8 to 15 days

Specimen Retention Time

1 year

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82657

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LALB Lysosomal Acid Lipase, B 73958-1

 

Result ID Test Result Name Result LOINC Value
62954 Lysosomal Acid Lipase, B 73958-1
36339 Reviewed By 18771-6
36338 Interpretation (LALB) 59462-2

Forms

1. New York Clients-Informed consent is required. Document on the request form or electronic order that a copy is on file. The following documents are available:

-Informed Consent for Genetic Testing (T576)

-Informed Consent for Genetic Testing-Spanish (T826)

2. Biochemical Genetics Patient Information (T602)

3. If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Biochemical Genetics Test Request (T798)

-Gastroenterology and Hepatology Test Request (T728)

Genetics Test Information

This test provides diagnostic testing for patients with clinical signs and symptoms suspicious for lysosomal acid lipase deficiency (LALD).

 

LALD is expressed phenotypically as infantile-onset Wolman disease or later-onset cholesterol ester storage disease.