N and O

Collection Tube Abbreviations

  RT  =  Plain Red top   GYT  =  Gray top   RBL  =  Royal Blue top
  RHalo = Red Halo   YT  =  Yellow top   PT  =  Pink top
  BLT  =  Blue top   GRN  =  Green top   PPT  =  Pearl top
  LT  =  Lavender top   SGRN  =  Special Green   GHalo = Green Halo
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 green top 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: (g/L)
Premenopause: 4.5-16.9

Postmenopause: 7.0-22.4

Males: >25 years old:
           6.5-20.1 g/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

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Updated: 02.26.2014