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NPC
� Nasopharyngeal Culture
PURPOSE:
Samples are cultured and examined to identify pathogens causing upper
respiratory tract symptoms.
TURN
AROUND TIME:
Presumptive results are available in as little as 72 hours
from the time that the sample is received by our lab.
Confirmation of presumptive results takes
an additional 24 hours. Estimated
test time is dependent on specific test and on when test is
initiated. Samples received in late afternoon or evening will
not be started until the following morning, unless RUSH/STAT
analysis is requested, in which an additional fee is applied.
TYPICAL
POSITIVE RESULTS: Submitted sample tests positive for one or more of the
following organisms. Group A beta-hemolytic streptococci;
occasionally, groups B, C, and G beta hemolytic streptococci;
Bordetella spp, Moraxella spp, Corynebacterium diphtheriae,
Staphylococcus aureus, Haemophilus spp, Legionella
spp, large numbers of pneumococci,
Candida albicans, Mycoplasma spp, and
Mycobacterium tuberculosis.
NORMAL
VALUES/NEGATIVE RESULTS: Nonhemolytic streptococci, alpha-hemolytic streptococci,
Neisseria species (except N. meningitidis and N.
gonorrhoeae), coagulase-negative staphylococci such as
Staphylococcus epidermidis and, occasionally, coagulase-positive
Staphylococcus aureus.
SPECIMEN
REQUIREMENTS:
Sample Collection:
Qualified individuals should collect a nasopharyngeal specimen
using an approved, sterile swab, which RML can provide, free
of charge, upon request. To prevent contamination,
don't let the swab touch the tongue or sides of the nostril.
If B. pertussis is suspected, use Dacron or calcium
alginate mini-tipped swabs for collection (Not provided by RML).
Individuals collecting samples should use aseptic technique
and employ proper protocols when collecting samples intended
for lab testing (e.g. use of gloves, avoid contaminating
sampling equipment & containers, proper storage after
sampling, etc). Chain of Custody: Label container with sample number,
collection date & time, sample description (Type, Lot, Sell by date,
case history, source, etc), and analysis requested.
SUGGESTED SHIPPING
CATEGORY:
Category B Infectious Substance - Refer to Sample Submission
Page for packaging, labeling, and shipping instructions for
Category B Infectious Substances.
Testing Fee
$28.00 - Submit
sample for this test
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Customers sending samples/specimens to Roesink Microbiology
Laboratories, LLC, are expected to comply with all applicable
regulations governing packaging and labeling of Division 6.2
Materials. Shippers are responsible for
proper packaging, marking and labeling, documentation,
classification, and identification of each shipment. Failure
to follow regulations can result in substantial financial
penalties and/or jail; consequently, RML highly suggests that
anyone sending Division 6.2 Materials (Infectious Substances)
to our laboratory review and familiarize themselves with the
current rules and regulations governing packaging and labeling
of these materials. Links to these regulations can be found to
the right and under the sample submission toolbar.
RML offers
shipping & packaging materials to clients and customers upon
request.
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Helpful website links and downloads for further information on
government rules and regulations:
1.
Informative
brochure for Transporting Infectious Substances Safely (Highly
recommended):
Infectious Subs. brochure.qxp
2.
Government Printing Office Website Link to Electronic Code of
Federal Regulations (CFR) Titles 1 through 50.
http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?c=ecfr&tpl=%2Findex.tpl
3.
Government Printing Office Website Link to Electronic
Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180)
http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?sid=585c275ee19254ba07625d8c92fe925f&c=ecfr&tpl=/ecfrbrowse/Title49/49cfrv2
02.tpl
4.
Shippers Responsibility:
�173.22
5. Class 6,
Division 6.2 (Infectious substances)--Definitions and
exceptions:
�173.134
6.
Training and Outreach Publications Module:
How to Use the HMR
7.
Website Link to PHMSA's Electronic Publications.
https://hazmatonline.phmsa.dot.gov/services/pub_default.aspx
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