Lactate Dehydrogenase, Isoenzymes LDISO

Method(s) Quantitative Enzymatic/Electrophoresis
Specimen Required
Collect One 5 mL gold (SST) or plain red top tube.
Transport

1 mL serum room temperature. (Min: 0.6 mL) Do NOT refrigerate or freeze.

Remarks

Separate serum from cells ASAP or within 2 hours of collection. Hemolyzed specimens and serum which has not been separated from cells show elevated LD-1, LD-2, LD-3, LD-4 and LD-5 are labile at low temperatures and are erroneously low in samples that have been refrigerated or frozen.

Stability After separation from cells: Ambient: 1 week; Refrigerated: Unacceptable; Frozen: Unacceptable
Unacceptable Conditions Frozen, refrigerated, or hemolyzed specimens. Specimens collected with EDTA, potassium oxalate, or sodium fluoride anticoagulants.
Schedule Daily
Billing Code 5010307
CPTCode 83625 LD Isoenzymes; 83615 Total LD
Notes

Allow serum to clot completely at room temperature. Separate serum from cells ASAP.

Preferred Specimen Collection Device(s)
Reference Interval

LD-1: 14-27%
LD-2: 29-42%
LD-3: 18-30%
LD-4: 8-15%
LD-5: 6-23%

Lactate Dehydrogenase, Total:
0 up to 30 days: 200 - 465 U/L
1-17 months: 200 - 450 U/L
18 months-10 years: 165 - 430 U/L
11-16 years: 127 - 287 U/L
17 years and older: 105 - 230 U/L

No Appointment Necessary
Show All Locations >
11 Patient Service Centers in Central New York.

Test Directory

A B C D E F
G H I J K L
M N O P Q R
S T U V W X
Y Z # List >