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

Methodology

Lactate to Pyruvate

NAD to NADH

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light green-top)

Acceptable: Serum Gel

 Draw blood, spin down and send 1 mL (pediatric:  0.2 mL) of plasma or serum.

Specimen Stability Information

 

Specimen Type

Temperature

Time

Plasma,lithium heparin / Serum

RT, spun

 7 days
 

Refrigerated, spun

 4 days

 

Reference Values

 

Age

Male (U/L)

Female (U/L)

0 – 30 days

125 – 735

145 – 765

1 – 11 months

170 – 450

190 – 420

1 – 6 years

155 – 345

165 – 395

7 – 9 years

145 – 300

140 – 280

10 – 12 years

120 – 325

120 – 260

13 – 15 years

120 – 290

100 – 275

16 – 18 years

105 – 235

105 – 230

>18 years

94 – 250

94 – 250

 

Reject Due To

 

Hemolysis

Mild:

Reject

Gross:

Reject

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Day(s) Test Set Up

Monday through Sunday

CPT Coding

83615

Secondary ID

HHA1297

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Coding

Test name LOINC Code

Lactate Dehydrogenase (LDH), Serum or Plasma

 2532-0