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HelpTest Code LDH Lactate Dehydrogenase, Total
Useful For
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, tumors of the lung or kidneys and in past decades for assessing myocardial infarction.
Synonyms/Keywords
LD, LDH
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Plasma/Serum | Lithium-heparin Plasma Separator (PST), Serum Separator Tube (SST) | Lithium or Sodium-heparin Green Top (GTT), Red Top Tube (RTT) | 1 mL | 0.3 mL |
Collection/Processing Instructions
Remove plasma or serum from cells within 2 hours of collection.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma/Serum | Ambient | 7 days |
| Refrigerated | 4 days | |
| Frozen | 1 month |
Rejection Criteria
| Hemolyzed specimens |
|---|
| Specimens in contact with red blood cells for longer than 2 hours |
| Recentrifuged serum or plasma tubes |
Interferences
Hemolysis will falsely increase result.
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites using Dimension Analyzer | Male: 85-227 U/L Female: 81-234 U/L |
| All Performing Sites using Beckman AU |
0 - 14 days: ≤ 968 U/L 15 days - <1 yr: ≤ 360 U/L 1 - <10 yr: ≤ 257 U/L Male: 10 - <15 yr: ≤ 227 U/L 15 - <19 yr: ≤ 201 U/L ≥19 yr: 88 - 207 U/L |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Beaver Dam | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Weston | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Eau Claire | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Park Falls | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Ladysmith Medical Center | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Rice Lake | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Marshfield | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Minocqua | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Neillsville | Monday through Sunday | Less than 2 hours | Beckman(IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Stevens Point | Monday through Sunday | Less than 2 hours | (IFCC), Lactate-Pyruvate (NAD) Rate Assay/Beckman AU |
| Wisconsin Rapids | Monday through Friday | Less than 2 hours | Enzymatic Assay/Siemens Dimension |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83615 | 1 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83615 | 1 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Lactate Dehydrogenase, Total |