Lactate Dehydrogenase


Sunquest Code:LDH  
Epic Code:LAB5891Epic Name:Lactate Dehydrogenase
Synonyms:LD
Methodology:Bichromatic rate
CPT Code:83615
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:Room temperature sample must be analyzed within 24 hours of collection. UMMC-East Bank Only: Add-ons are acceptable within 4 hours of collection if on the automation line and/or refrigerated. Room temperature specimens are acceptable up to 24 hours.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel) (Green (sodium heparin, no gel), Red (no gel), Red or gold (gel))
Causes for Rejection:Hemolyzed or refrigerated specimens. Specimens greater than 24 hours old.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store at room temperature. Analyze within 24 hours of collection.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, Range Clinics, UMMC-East Bank, Oxboro Bloom, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, UMMC/UMMCH-West Bank, M Health Clinic and Surgery Center, Grand Itasca GICH)


Interpretive

Reference Range:
Age Female Male
0 - 14 d 0-1255 U/L 0-1255 U/L
15 - 364 d 0-470 U/L 0-470 U/L
1 - 9 y 0-337 U/L 0-337 U/L
10 - 14 y 0-287 U/L 0-298 U/L
15 - 18 y 0-265 U/L 0-265 U/L
19 y and older 81-234 U/L 85-227 U/L
GICH: All ages (female and male) 140-271 U/L  


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