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HelpTest Code LD Lactate Dehydrogenase
Additional Codes
| EPIC | LAB4130 |
Synonyms
- LD
- LDH
Clinical Significance
Lactate dehydrogenase measurements are used in the diagnosis and treatment of liver diseases such as acute viral hepatitis, cirrhosis, and metastatic carcinoma of the liver, cardiac diseases such as myocardial infarction, and tumors of the lung or kidneys.
Source: Beckman Coulter Unicel, LD IFU. REF #442655, #476841 12/22/15
Methodology
Enzymatic rate method (Beckman Coulter UniCel DxC 660i)
Sample Type
| Preferred Sample Type | |
|---|---|
| Light green top - Plasma | |
| Acceptable Sample Type(s) | |
|---|---|
| Dark green top - Plasma | |
| Yellow top - Serum | |
| Red top - Serum | |
Centrifuge: Yes
Specimen Minimum Volume
0.5 mL
Specimen Stability
| Temperature | Time |
|---|---|
| Ambient (18-25°C) (store) | 8 hours |
| Refrigerated (2-8°C) | Not recommended |
| Frozen (-15 to -20°C) | Not recommended |
Separate plasma or serum from cells within 2 hours.
Reference Ranges
| Normal Range | |
|---|---|
| 0 - 4 days | 290 - 775 U/L |
| 4 - 10 days | 545 - 2000 U/L |
| 10 days - 2 years | 180 - 295 U/L |
| >2 years | 110 - 295 U/L |
| Technical Range |
|---|
| 5 - 29,700 U/L |
Rejection Criteria
| Hemolysis | 1+ or greater reject |
|---|---|
| Icterus | N/A |
| Lipemia | N/A |
Availability
| Performed | STAT |
|---|---|
| 24/7 | Yes |
Performing Laboratory
MultiCare Yakima Memorial Hospital Laboratory
Lab Department
Chemistry
CPT Code
83615
LOINC
14804-9 LDH Lactate to pyruvate reaction [Catalytic activity/Vol]