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HelpCatalog ID Ptn Lvl Dilantin
CPOE Test Name
Dilantin Level, Phenytoin Level, PTN Level
Synonyms
Phenytoin
Specimen Type
Serum
Specimen Requirements
5 mL gold top SST tube; 2 mL blood
Reference Values
10 – 25 mcg/mL
Causes for Rejection
Wrong container; improper labeling; insufficient quantity; no record of dose and collection times
Turn Around Time
Urgent/Emergent 1 hour; Routine 2 – 4 hours
CPT / HCPCS Code
80185
Performing Lab
Core Laboratory, BI 2023 721-2120
Critical Values
>25 mcg/mL, especially with low albumin levels