N and O

Collection Tube Abbreviations

Test (TEST CODE)	Lab Section	Special Requirements	Reference Intervals and Critical Values	Testing Schedule and Expected Turnaround Time
5' Nucleotidase	Ref	5 ml blood, 1 Gold Top	ARUP Test Directory	Mailout: 5-7 days
N-Acetyl-procainamide		See NAPA below.
N-Telopeptide (NTELU)	Ref	10 ml random or 24hr urine, no preservative	ARUP Test Directory	Mailout: 5-7 days
NAPA {N-Acetyl-procainamide}	Ref	5 ml blood, 1 RT. Avoid use of serum separators and gels.	ARUP Test Directory	Mailout: 5-7 days
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	ARUP Test Directory	Mailout: 5-7 days
Norpramin [Desipramine]	Ref	7 ml blood, 1 large RT Avoid serum separators	ARUP Test Directory	Mailout: 5-7 days
Nortriptyline	Ref	7 ml blood, 1 large RT Avoid serum separators	ARUP Test Directory	Mailout: 5-7 days
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.
NT-Pro BNP (NTPRO)	Chem	7 mL Blood 1 LT	Reference Range: Recommend clinical thresholds are 125 pg/mL for patients younger than 75 years and 450 pg/mL for patients 75 years and older.  Value must be interpreted in context with clinical signs and symptoms.	Performed:  M-F
OD-450 Scan, Amniotic Fluid (SCAN)	Ref	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	ARUP Test Directory	Mailout: 5-7 days
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 Light Green	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 Gold Top	Females: (µg/L) Premenopause: 4.5-16.9 Postmenopause: 7.0-22.4 Males: >25 years old:            6.5-20.1 µg/L	M,W,F
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.)	ARUP Test Directory	Mailout: 5-7 days
Ovarian Antibodies	Ref	7 ml blood, RT	ARUP Test Directory	Mailout: 5-7 days
Oxalate, Total Urine	Ref	24 hr urine, obtain container Type III from Lab.	MAYO Reference Services	Mailout: 5-7 days

Clin Lab Home Pag

                    For web page issues you may contact the Webmaster.

Updated: 09.28.2012