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Test Code LDH LACTIC DEHYDROGENASE L-P (LDLP)

Aliasis

LDH

Patient Preparation

No special patient preparation required.

Collection Method

Venous collection

Minimum Volume

Adults

1.0 mL

Pediatric

0.5 mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Lt Green / Plasma Separator / Lithium Heparin

Acceptable Specimen(s)

Serum:
-Gold Top SST
-Red Top
Plasma:
-Lt Green top (lithium heparin)

Reference or Target Ranges

Adults

120 – 246 U/L

Reportable Units

U/L

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold:

N/A

Icterus Threshold:

 30 mg/dL (unconjugated)

 

30 mg/dL  (conjugated)

Lipemia Threshold:

650 mg/dL

Other:

QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability

Ambient

7 Days

Refrigerated         

LD-3, LD-4, and LD-5 isoenzymes may show reduced activity at cooled storage conditions

Performance Information

Days and Time Performed

24/7

Expected Turn Around Time

Stat: 1 Hour, Routine: 4 Hours

Stat Availability

Yes

Performing Bench

CRMC Chemistry

Methodology/Method Description

Atellica

Methodology/Method Description

Atellica CH Analyzer

CPT Codes

83615