Lactate dehydrogenase (LD), total

Alphabetical Test listing

Lactate dehydrogenase (LD), total-909

Test name:

Test number:

909

Excellian order number:

83615.1

Abbreviation:

LDH

Alternate names:

Lactate dehydrogenase

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred) - 4 days

Ambient - 4 days

Frozen - 6 weeks

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 day

Method:

Architect:

Enzymatic

Roche:

UV assay - NAD to NADH

Reference ranges:

Architect:

Age	Male range (U/L)	Female range (U/L)
30 days	178 – 629	187 – 600
1 – 12 months	129 – 367	152 – 327
1 – 3 years	164 – 286	164 – 286
4 – 6 years	155 – 280	155 – 280
7 – 9 years	141 – 237	141 – 237
10 – 13 years	141 – 231	129 – 222
14 – 19 years	117 – 217	117 – 217
Adult	125 – 220	125 – 220

Roche:

Females	>15 yrs:	135 - 214 U/L
Males	>15 yrs:	135 - 225 U/L

Children:
	1 month - 15 years	120 - 300 U/L
	<30 days	225 - 600 U/L

CPT codes:

83615

Date created:

11/30/2001

Revised date:

12/22/2022

Review date:

12/02/2021