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isoniazid, level
Synonyms: INH 
Computer Code: (ISNZD)
Specimen Collection: 4 mL blood (red (preferred) or sodium heparin green top tube).   Include drug dosage, and time and date of last dose. Send immediately to Special Chemistry. Must be frozen within 1 hour of collection. 
Minimum Volume: 2 mL 
Handling Instructions for Offsite Areas: Serum: allow to clot, centrifuge 10 minutes, remove serum immediately, freeze. Min 0.5 mL serum. Plasma: centrifuge for 20 minutes, remove plasma immediately, freeze. Min 0.5 mL plasma. Serum/Plasma must be frozen within 1 hour of collection. Do not ship on friday Separate serum or plasma from cells ASAP. 
Reference Values: See reference laboratory report.  
Lab Code: CC REF 
Requisition: SPEC C
Test Frequency: Mon-Thur only 
Routine TAT: 20 days 
Stat TAT: NA 
CPT Code(s): 82491 
LCD or NCD:  
Methodology Used: R
See Addendum XVII

Albany Medical Center
43 New Scotland Avenue
Albany, NY, 12208
Date: 11/24/2014
Time: 17:40:22 (24hr)