HOMOCYSTEINE
| Synonyms: | |
| Computer Code: | HCS |
| Specimen Collection: | 4 mL blood light green top (Li Heparin) preferred. Red/gold acceptable). Place immediately on ice. Tranport immediately to Chemistry or see handling instructions. |
| Minimum Volume: | 1 mL |
| Handling Instructions for Offsite Areas: | Serum: Allow to clot, centrifuge for 20 minutes, immediately remove serum, place on ice. Min 0.5 mL serum. Plasma: Centrifuge for 20 minutes, immediately remove plasma, place on ice. Min. 0.5 mL plasma. |
| Reference Values: | 4.3-12.7 uMOL/L |
| Lab Code: | Chemistry |
| Requisition: | SPEC C |
| Test Frequency: | 1/week |
| Routine TAT: | 5 days |
| Stat TAT: | N/A |
| CPT Code(s): | 82131 |
| LCD or NCD: | LCD LCD LCD |
| Methodology Used: |
See Addendum XVII |