Test Overview
Test Methodology

Photometric Rate

Test Usage

Evaluation of myocardial infarction and liver disease.

Reference Range *

LD Isoenzymes: I (fast band): 17.5 - 28.3%; II: 30.4 - 36.4%; III: 19.2 - 24.8%; IV: 9.6 - 15.6%l V (slow band): 5.5 - 12.7%. Total LD level is also reported.

Test Details
Days Set Up
Monday - Friday
Analytic Time

1 - 4 days

Soft Order Code
LD
MiChart Code
LDH (Lactate Dehydrogenase)
Synonyms
  • LDH Isoenzymes
  • Lactate Dehydrogenase Isoenzymes
  • LD
  • Lactate Dehydrog Isoenzymes
Laboratory
Sendout
Reference Laboratory
Mayo LD_I (8679)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a red top or SST tube. Centrifuge and aliquot serum into a plastic vial. Store and transport at room temperature. Specimen cannot be refrigerated >48 hours or frozen.

Yellow Top Tube
Normal Volume
2 mL serum
Minimum Volume
0.75 mL serum
Additional Information

Includes total LDH. Test sent to Mayo Medical Laboratories.

Billing
CPT Code
83615 LDH, 83625 Isoenzymes
Fee Code
22254
LOINC
S-3453
NY State Approved
No