what should be done to maintain thermolabile specimens
- use heat source/heat blocks
- use ice slurries/fridges/freezers
- avoid fluctuating temps
photosensitive samples should be wrapped in
foil
how long can blood gas tests be stored at room temp
15-30 min
how long can blood gas tests be stored in an ice slurry for
1 hour
analysis for coagulation tests should take place within
1 hour
what is an exception to the 1 hour time frame for coagulation tests
PT
the room temp for labs should be
22 C or 71.6 F
cold agglutinins must remain at
body temperature
biohazard bags should be labeled with
- pt full name
- date and time of collection
- source and type of collection
how should specimens be packed
- in biohazaard bag
- primary container with absorbent material and above any necessary collants
- secondary container
- speciment documentation above secondary container/with own bag
- shipping container
when handling perserved urine specimens, keep the tubes at room temp no longer than __ before UA
72 hours
when transporting tests for potassium, plasma hemoglobin, lactate dehydrogenase, and acid phosphatase, be carefully if using a ___
pneumatic tube system
what info is required on chain of custody form
- name & info of pt specimen is from
- name of person who obtained & processed specimen
- date, location, and signature of person attesting specimen is correct & matches documentation
- signature and date from every person who had posession
vaginal swabs after rape, blood/bodily fluids from crime scenes, toxicology testing, and postmortem specimens from autopsies are considered
forensic specimens
t/f: forensic specimens can be in any condition
true
what is usually the capability of urine drug tess
- marijuana use within past week
- cocaine/heroin/illicit drugs within past 2 days
define BLOOD DOPING
injection of blood cells/blood substitutes to increase athletic endurance by boosting bloodstream’s O2 carrying capacity
define ERYTHROPOIETIN
medication for pts who have had chemotherapy to tx cancer and can be illicitly used by some athletes to boost production of RBC and increase endurance
what is the purpose of neonatal drug testing
- detect substances that can cause prenatal drug exposure and neonatal withdrawal
- confirms maternal drug use 24-72 hours prior to birth
folate, bilirubin, and vitamin A need to be ____ when shipped
UV protected
ammonia and lactic acid needs to be in an ____ when shipped
ice slurry
which comes first STAT or ASAP
STAT
a critically low glucose can cause
rapid heartbeat
cryoglobulin specimens should be kept at ___ (temp) when being transported
37C (98.6)
