1:1 Mix_PTT

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General Information

Lab Name
1:1 Mix_PTT
Lab Code
PTTMX1
Epic Name
1:1 MIX - PTT
Synonyms
Mix-PTT 1:1, Partial Thromboplastin Time-MIX
Components
Code Name
PTTPT PTT Patient
PTTNOR PTT Normal Pool
PTTMIX PTT 1:1 Mix Immediate
INCMIX PTT 1:1 Mix Incubated
PTTCOM PTT 1:1 Mix Comment

Interpretation

Method
Clot based
Reference Range
See individual components
Ref. Range Notes
For interpretation contact the Lab Med Resident on-call through the paging operator at 206-598-6190.

Ordering & Collection

Specimen Type
Collection
5 mL plastic BLUE TOP (CITRATE) tube
Handling Instructions
The Laboratory MUST process specimen, within 6 hrs of blood collection
Quantity
Requested: entire sample

Processing

Receiving Instructions
Take specimen to the Coag bench for processing.

Outside Laboratory:  Centrifuge for 10 minutes, remove plasma & re-spin plasma for another 10 minutes. Decant & Freeze plasma (minimum 1.0 mL) @ -50°C to -70°C. Send frozen on dry ice.
Misc Sendout

Performance

Lab Department
Coagulation(COAG)
Frequency
Daily
Available STAT?
Yes
Performing Location(s)

Billing & Coding

CPT Codes
85730, 85732
LOINC
18720-3