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HelpTest Code LDH Lactate Dehydrogenase
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
| General Hospital Laboratory | 304-388-6244 |
| Women and Children's Hospital Laboratory | 304-388-2385 |
| Teays Valley Hospital Laboratory | 304-757-1770 |
| Greenbrier Valley Laboratory | 304-647-6060 |
Specimen Requirements
Plasma- Mint Green, Dark Green Lithium Heparin or Serum- SST gold top, red top
Allow SST or red top to completely clot
Spin and physically separate plasma/serum from contact with cells as soon as possible
4 mL of plasma/serum (minimum 2 mL)
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
- Hemolyzed
Storage and Stability
Keep at room temperature
Do not refrigerate or freeze
Reference Values
| >18 yrs | 140-271 U/L |
| >10-18 yrs | 86-271 U/L |
| >2-10 yrs | 141-337 U/L |
| >1 month-2 yrs | 130-437 U/L |
| 0- 1 month | 163-881 U/L |
Methodology
| Photometric Enzymatic Assay | Memorial, General, Women and Children's, Teays |
| Multi-Point Rate | Greenbrier |
Days Test Set Up and Turnaround
Monday through Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
CPT Coding
83615