N and O

Collection Tube Abbreviations

Test (TEST CODE)	Lab Section	Special Requirements	Reference Ranges and Critical Values	Testing Schedule and Expected Turnaround Time
5' Nucleotidase	Ref	5 ml blood, 1 RHalo	0-15 U/L	Mailout: 5-7 days ARUP
N-Acetyl-procainamide		See NAPA below.
N-Telopeptide (NTELO)	Chem	10 ml random or 24hr urine, no preservative	11-91 nMOLE BCE/mMOLE Creat.	Friday Up to 1 week
NAPA {N-Acetyl-procainamide} (NAPA)	Ref	5 ml blood, 1 RT. Avoid use of serum separators and gels.	6-20 µg/mL Toxic: >35 µg/mL	Mailout: 5-7 days ARUP
Nembutal (Pentobarbitol)	Ref (ACH)	5 ml blood, 1 RT	Thera: 1-5 ug/ml Toxic: >7 ug/ml Neurosurgical Therapeutic Coma: 20-50 ug/ml	Mailout: 5-7 days
Neurontin	Ref	See Gabapentin		Mailout
Nocardia Smear& Culture		See Culture, Fungus
Norepinephrine		See Catecholamines.
Norpace [Disopyramide]	Ref	7 ml blood, 1 large RT Avoid serum separators	2-5 µg/mL Toxic: >7.0 µg/mL	Mailout: 5-7 days ARUP
Norpramin [Desipramine]	Ref	7 ml blood, 1 large RT Avoid serum separators	100-300 ng/mL Toxic: >500 ng/mL	Mailout: 5-7 days ARUP
Nortriptyline	Ref	7 ml blood, 1 large RT Avoid serum separators	50-150 ng/mL Toxic: >300 ng/mL	Mailout: 5-7 days ARUP
Nose Culture (NORSA)	Micro	Swab transported in Amies transport media (white cap) Culture examined for Methicillin (Oxacillin) Resistant Staphylococcus aureus only.	Negative	Daily Results: 48-72 hrs.
Nose Fungal Culture (FNCLT)	Micro	Nasal wash (Swabs are not acceptable and will be rejected.) Culture examined for MOULD only.	Negative Physician will be called with cultures exhibiting mould growth	Daily Results: 4 wks.
OD-450 Scan, Amniotic Fluid (SCAN)	Chem	See Amniotic Fluid OD-450
Occult Blood (OCBLD)	Micro	Stool transported in sterile, no additive, leakproof container	Negative	Daily Result: Same Day
17-OH Corticosteroids	Ref	See Hydroxycorticosteroids
17-OH Pregnenolone	Ref	See Hydroxypregnenolone
17-OH Progesterone	Ref	See Hydroxyprogesterone
OKT3, Quantitative (OKT3)	Ref	7 ml blood, 1 large RT or 1 GRN	500 -1500 ng/mL	Mailout: 5-7 days ARUP
Oligoclonal Bands	Imm	See Electrophoresis, CSF
Opiates Drug Screen (OPI)	Chem	5 ml urine	Negative This is a screening test.  These results should not be used for forensic or for pre-employment purposes.	24 hrs/ 7 days Results: 2 hrs STAT: 1 hr
Organic Acids	ACH	Random urine, 20 ml	Negative (screen)	Mailout: 5-7 days
Osmolality, Body Fluids (FLOSM)	Chem		289 -308 mOsm/kg	24 hrs/ 7 days Results: 3 hrs STAT: 1 hr
Osmolality (OSM)	Chem	5 ml blood, 1 GHalo	289 -308 mOsm/kg	24 hrs/ 7 days Results: 3 hrs STAT: 1 hr
Osmolality, Urine (USOM)	Chem	Non-timed urine; 15 ml plain container.	Varies with intake.	24 hrs/ 7 days Results: 3 hrs STAT: 1 hr
Ostase (BSALP)	Chem	5 ml blood, 1 RHalo	Females: (µg/L) Premenopause: 4.5-16.9 Postmenopause: 7.0-22.4 Males: >25 years old:            6.5-20.1 µg/L	24 hrs/ 7 days Results: 2 hrs
Ova & Parasite Exam (OP)	Ref	Stool transported in PVA and 10% Formalin collection set. (pink and blue cap) (Must be filled to fill line or specimen will be rejected.)	Negative; first time positives called to physician.	Mailout: 5-7 days ARUP
Ovarian Antibodies	Ref	7 ml blood, RT	By report	Mailout: 5-7 days ARUP
Oxalate, Total Urine (UOX)	Ref	24 hr urine, obtain container Type III from Lab.	M: 7-44 mg/24 hrs F: 4-31 mg/24 hrs	Mailout: 5-7 days ARUP

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