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Test Code LDH Lactate Dehydrogenase (LD)

Specimen Type

Plasma

Container/Tube

Li-Heparin  Mint Green Top

Offsite Collection Instructions

1. Collect sample following standard collection methods
2. Within 2 hours of collection the sample must be spun and
aliquoted
3. Transport refrigerated  (2 – 8C).

Turnaround Time

4 hours

Test Includes

N/A

Preferred Volume

0.5 mL

UCMC Collection Instructions

1. Collect sample following standard collection methods
2. Within 2 hours of collection the sample must be received in
Laboratory Service Center
3. Transport room temperature (15 – 25C).

STAT Turnaround Time

1 hour

Test Usage

Assists in the investigation of a variety of diseases involving
heart, liver, muscle, kidney, lung and blood.

Critical Results

N/A

Test Limitations

Red blood cells contain much more lactate dehydrogenase (LD)
than serum. A hemolyzed specimen is not acceptable.

Additional Information

Increases in serum LD also are seen following a myocardial
infarction

Fee Code

43422

Synonyms

N/A

Specimen Minimum Volume

0.2 mL

DAY(S) AND TIME(S) PERFORMED

24 hours, 7 days a week including holidays.

STAT DAY(S) AND TIME(S) PERFORMED

Available

CPT

83615

Method Name

UV Assay
Spectrophotometric

Reference Values

116 – 245 IU/L

Reject Due To

Whole blood/unspun samples greater than 6 hours will be
rejected.

Rejection criteria:     hemolyzed specimens

Included in Additional codes

N/A

Coverage Information

N/A

Stability: Room Temp

7 days

Stability: Refrigerated

4 days

Stability: Frozen

6 weeks