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Test Code Cephalexin Cephalexin

Clinical System Name

Cephalexin Level

Synonyms

Keflex

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST, Gold Microtainer, Lt. Green/Lithium Heparin Microtainer

Preferred Vol: 1 mL

Minimum Vol: 0.5 mL

 

Note:  Draw peak level 2h post oral dose.

 

Processing Instructions

Reject due to:

Spin: Y

Aliquot: Y

Temp: - 20 C

Storage location: CPA Freezer, Fz5 rack.

 

Off-site collection:  Draw peak level 2h post oral dose. Spin blood, aliquot serum or plasma and send frozen.

Stability

Specimen Type Temperature Time
  Room temp 4 h
  Refrigerated 48 h
  Frozen 1 m

 

Availability

STAT Performed TAT
N M - F, day shift 1 - 3 d

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Chemistry

Location: Chem West

Phone Number: (206) 987-2617

 

Reference Range

Septic Arthritis >10 mcg/mL

Osteomyelitis >15 mcg/mL

 

Methodology

Method: HPLC

Analytical Volume: 0.2 mL serum or plasma

Limitations:

CPT Codes

80299