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
1-30 days	135 - 750	135 - 750
31 days - 11 months	180 - 435	180 - 435
1 - 3 years	160 - 370	160 - 370
4 - 6 years	145 - 345	145 - 345
7 - 9 years	143 - 290	143 - 290
10 - 12 years	120 - 293	120 - 293
13 - 15 years	110 - 283	110 - 283
16 - 17 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

March 2024