Sign in →

Test Code LAB6 Lactate Dehydrogenase (LD), Serum

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic



Lactate to Pyruvate (NADH)

Specimen Requirements

Specimen Type: Serum

Container/Tube: Red top or serum gel

Specimen Volume: 1 mL

Specimen Minimum Volume: 0.5 mL

Collection Instructions:

1. Hemolyzed specimen is not acceptable.

2. Spin down, separate serum from cells within 2 hours of draw.

3. If plunger filters are used, immediate removal of serum is indicated unless an air gap can be created between the device and specimen.

Additional Information: Label specimen appropriately (serum).

Specimen Transport Temperature

Refrigerate 5 days/Ambient 8 hours OK/Frozen NO

Day(s) Test Set Up

Monday through Sunday

Reference Values

0 days-14 days: 309-1222 IU/L

15 days-1 year: 163-452 IU/L

1-9 years: 192-321 IU/L

Males 10-14 years: 170-283 IU/L

Females 10-14 years: 157-272 IU/L

15-18 years: 130-250 IU/L

Adult: 51-238 IU/L

Performing Laboratory


Central Region: St. Joseph's - Brainerd Clinic Lab, St. Joseph's Medical Center Lab

East Region: Ashland Clinic Lab, SMDC Clinical Lab

West Region: Ada Hospital Lab, Fargo Hospital Lab, Fosston Hospital Lab, Park Rapids Clinic Lab, South University Clinic Lab, St. Mary's - Detroit Lakes Hospital Lab

Test Classification and CPT Coding