Feb 8, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

LD, Total

LD, Total (LDH) Chemistry Lab Test

Name: LD, Total

Test Name: LD, Total

Health Link Test Code: LDH

LIS Test Code: LD

CPT Code(s): 83615

Methodology: Lactate-Pyruvate

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Green cap with yellow ring (PST)

Also Acceptable: Green top, Red cap with yellow ring (SST), Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.4 mL

Stability Ambient:

PST: 48 hours

SST: 4 days

Stability Refridgerated:

PST: 48 hours

SST: 4 days

Stability Frozen:

6 weeks

Sample Analyzed: Plasma or serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. Redraw specimen if hemolysis is present. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Hemolyzed specimens or whole blood specimens greater than 2 hours old when received by the laboratory are not acceptable.


 Age  U/L
  0 days - 14 days  309-1222
 15 days-11 months  163-452
 1-9 years  192-321
 10-14 years  157-283
 15-17 years  130-250
18 years and up  125-220



Interpretation Type: Reference Interval