Test Code LDH Lactate Dehydrogenase (LDH), Plasma or Serum

Additional Codes

LAB96

Collection Method

Venous collection

Minimum Volume

0.5ml

Container

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimens

Serum:

Gold Top SST
Red Top

Plasma:

Light Geen Top (lithium heparin)

Reference or Target Ranges

Age	Male	Female
0-30 days	135-750	135-750
30 days -1 year	180-435	180-435
1 - 4 years	160-370	160-370
4 - 7 years	145-345	145-345
7 - 10 years	143-290	143-290
10 - 13 years	120-293	120-293
13 - 16 years	110-283	110-283
16 - 18 years	105-233	105-233
>18 years	122-222	122-222

Reportable Units

U/L

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold	40 mg/dL
Icterus Threshold	60 mg/dL
Lipemia Threshold	900 mg/dL
Other	QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

Ambient	7 days
Refrigerated (4°C to 8°C)	4 days
Frozen(-40°C to 0°C)	6 weeks

Performance Information

Days and Time Performed	24/7
Expected Turn Around Time	Stat: 1 hour Routine: 4 hours
Stat Availability	Yes
Performing Bench	CPH Chemistry
Methodology/Method Description	Roche Cobas

CPT Codes

83615

Last review/edit date

2025