Laboratory Services

Lactate Dehydrogenase

Print this page

Updated Test Information:

Test Description
Lactate Dehydrogenase
Synonym(s)
LDH
Test ID
LDH
Specimen Type
Serum
Alternate Specimen Type
Red, Li-heparin plasma
Specimen Requirements
SST
Specimen Collection / Processing Instructions
SST - Separate the serum or plasma from the clot or cells promptly.
Minimum Sample Volume
1 mL
Pediatric Min. Volume (if applicable)
500 uL
Additional Processing Details
Separate the serum or plasma from the clot or cells promptly.
Stability
7 days at 15‑25 °C
4 days at 2-8 °C
6 wks at -20 °C
Unacceptable Specimen Conditions
Hemolyzed samples
Limitations
In connection with certain diseases (e.g. hepatopathy, diseases of skeletal muscle, malignant tumors), the LDH‑4 and LDH‑5 isoenzyme portions are increased and unstable in cooled and frozen samples; this may lead to an incorrect LDH value in samples collected from patients suffering from such diseases.
Methodology
UV Assay
Estimated TAT
0-2 days
Testing Schedule
Monday-Saturday
CPT Code(s)
83615
Performing Lab
Incyte Diagnostics
LOINC Code(s)
14804-9