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Test Code LAB96 Lactate Dehydrogenase (LDH), Plasma or Serum

Reporting Title

LDH

Methodology

Roche Diagnostics, Enzymatic - RMH, GMC, DH, DMH, DHC, BH, OBH, MGH, PMH, MH, SH

LDH is present in many tissues, especially heart, liver, muscle, and kidneys. LDH is elevated with megaloblastic anemia, disseminated carcinoma, shock, muscular disorders, nephrotic syndrome, cirrhosis, myocardial infarction, and many other conditions.

 

VWH Lab Only:

LD reagent, when used in conjunction with SYNCHRON LX® System(s), UniCel® DxC 860i System(s), is intended for the quantitative determination of Lactate Dehydrogenase activity in human serum or plasma.

Performing Laboratory

OhioHealth Laboratory Services-RMH, GMC, DH, DMH, MGH,OBH, MH, SH, BH, PMH and VWH Core Laboratories

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Serum

Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note:

1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. Indicate serum on request form.

3. Label specimen appropriately (serum).

 

Alternate (Preferred for VWH Lab): 

Plasma

Draw blood in a mint green-top (heparin) gel tube(s). Spin down and send 1 mL of heparinized plasma refrigerated.

Note: 

1. Indicate plasma on request form.

2. Label specimen appropriately (plasma).

VWH Lab:

3. Tubes of blood are to be kept closed at all times and in a vertical position. It is recommended that the serum or plasma be physically separated from contact with cells within two hours from the time of collection.

4. Refrigerated or frozen samples are not recommended. Ambient samples are stable for 8 hrs and refrigerated samples are stable for 48 hrs. 

 

Roche Specimen Stability Information

Specimen Type Temperature Time
Serum or plasma Refrigerated 4 days
  Ambient  7 days
  Frozen  6 weeks

 

Specimen Transport Temperature

Refrigerate: OK

Ambient: OK

Frozen: NO

Reference Values

0-4 days:  290-775 U/L

5-10 days:  545-2,000 U/L

11 days-24 months:  180-430 U/L

25 months-12 years:  110-295 U/L

>13 years:  100-250 U/L

 

VWH Lab: 

100 – 190 IU/L

Day(s) Test Set Up

Monday through Sunday; Continuously

Test Classification and CPT Coding

83615