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Home > Services and Facilities > Patient Testing > Pathology > New York Hospital Queens Diagnostic Laboratories > Test Directory

Reference Ranges

Please note that the reference ranges for laboratory tests are subject to periodic change.

The values shown on this page may be updated from time to time. The ranges printed on each report always represent the most current values and should be followed when there is any difference noted between them and the numbers shown here.

Androstenedione, Serum

Adult male and female:	62-270 ng/dL
Post-menopausal female:	< 180 ng/dL
Prepubertal:	< 60 ng/dL

B-Type Natriuretic Peptide
(Units=pg/ml)

Age	Males	Female

45	<= 35	<= 64
46	<= 36	<= 66
47	<= 37	<= 67
48	<= 38	<= 69
49	<= 39	<= 71
50	<= 40	<= 73
51	<= 41	<= 74
52	<= 42	<= 76
53	<= 43	<= 78
54	<= 45	<= 80
55	<= 46	<= 82
56	<= 47	<= 84
57	<= 48	<= 87
58	<= 49	<= 89
59	<= 51	<= 91
60	<= 52	<= 93
61	<= 53	<= 96
62	<= 55	<= 98
63	<= 56	<= 101
64	<= 57	<= 103
65	<= 59	<= 106
66	<= 60	<= 109
67	<= 62	<= 112
68	<= 64	<= 114
69	<= 65	<= 117
70	<= 67	<= 120
71	<= 69	<= 123
72	<= 70	<= 127
73	<= 72	<= 130
74	<= 74	<= 133
75	<= 76	<= 137
76	<= 78	<= 140
77	<= 80	<= 144
78	<= 82	<= 147
79	<= 84	<= 151
80	<= 86	<= 155
81	<= 88	<= 159
82	<= 91	<= 163
150	<= 93	<= 167

Barbiturates, Blood

Barbiturate	Therapeutic	Potentially Toxic
	mg/L	mg/L
Amobarbital	3.0-12.0	> 12.0
Butabarbital	2.0-14.0	> 14.0
Butalbital	1.0-5.0	> 7.0
Pentobarbital	1.0-5.0	> 5.0
Phenobarbital	15.0-40.0	> 40.0
Secobarbital	1.0-5.0	> 5.0

Bromide, Serum

Therapeutic range= 750-1500 mg/L

Toxicity considered to occur at levels in excess of 1500 mg/L

Potential for toxicity over the entire therapeutic range

Catecholamines, Fractionated, Urine

Norepinephrine:	11-86 mcg/24 hrs.
Epinephrine:	< 15 mcg/24 hrs.
Dopamine:	100-440 mcg/24 hrs.

Catecholamines, Fractionated, Blood
(Units=pg/ml)

	Supine, 30 min.	Sitting	Standing, 30 min.
Norepinephrine:	110-410	120-680	125-700
Epinephrine:	< 50	< 60	< 90
Dopamine:	< 87	< 87	< 87
Total:	120-450	140-730	150-750

Cardiovascular Test Reference Range
(Units=mg/dL)

	Level	Clinical Interpretation
Cholesterol Total:	<200	Desirable Level
	200-239	Borderline
	> 240	High Risk
Triglycerides:	<200	Normal
	300-1000	High
	>1000	Very High
HDL Cholesterol:	< 35	Suggests high risk for CAD
	> 55	Suggests decreased risk for CAD
LDL Cholesterol	<130	Desirable

Total Cholesterol / HDL Cholesterol Ratio

Risk	Chol/HDL	Chol/HDL
	Male	Female
1/2 Average	3.43	3.27
Average	4.97	4.44
2X Average	9.5	7.05
3X Average	23.99	11.07

Complete Blood Count (CBC)

Hemoglobin:	Male: 14-17 gm/dL, Female: 12-16 gm/dL
Hematocrit:	Male: 42-52%, Female: 36-47%
RBC:	Male: 4.7-6.1 m/ul, Female: 4.2-5.4 m/ul
WBC:	3.4-11.2 k/ul
MCV:	81-100 fl
MCH:	27-34 pg
MCHC:	32-36%

Differential

Lymphocytes:	20-35%
Monocytes:	2-4%
Bands:	2-6%
Neutrophils:	55-75%
Basophils:	0-1%
Eosinophils:	1-3%

DHEA Sulfate

Age	Male (ng/mL)	Female (ng/mL)
15-29	1500-5500	1000-5000
30-39	1500-5500	600-3500
40-49	1000-4000	400-2500
50-59	600-3000	200-1500
>60	300-2000	200-1500

Estradiol-17-B
(Units=pg/mL)

Male: <20	10-200
Female:	100-400
Follicular Phase:	15-260
Ovulatory Phase:	<50
Luteal Phase:
Post-menopausal Phase

Estradiol, unconjugated
(Units=ng/mL)

Male:	<2
Female:	<2
Pregnant Female:
Weeks Gestation:
28-32:	3.7-17.8
32-36:	4.5-28.1
36-38:	8.2-38.0
38-40:	8.6-38.8

Estrone, serum
(Units=pg/mL)

Male:	10-50
Female:
Follicular Phase	30-100
Ovulatory Peak	>150
Luteal Phase	90-160
Post-menopausal	20-40

Follicle Stimulating Hormone (FSH), serum
(Units=MIU/mL)

Male: <50 years	1-8
Female:
Follicular Phase	4-13
Mid-cycle	5-22
Luteal Phase	2-13
Post-menopausal	20-138

Hemoglobin Electrophoresis

A	96-99%
A₂	1.5-3.5%
F	0-2%

Immunoglobulins serum (adults)
(Units=mg/dL)

I_gA	96-99%
I_gG	1.5-3.5%
I_gM	0-2%

Lactose tolerance
(Units=mg/dL)

	Rising Glucose Level
Normal	> 30
Suspect	Rise of 20-30
Abnormal	Rise of < 20

Leutinizing hormone (LH), serum
(Units=MIU/mL)

Male:	2-12
Female:
Follicular Phase	1-18
Mid-cycle	24-105
Luteal Phase	0.4-20
Post-menopausal	15-62

Progesterone, serum
(Units=ng/mL)

Male:	< 0.04
Female:
Follicular Phase	0.1-1.5
Luteal Phase	2.5-28
Pregnancy:
1st trimester	9-47
2nd trimester	17-146
3rd trimester	55-255
Post-menopausal:	< 0.2

Porphyrin
(Units=mcg/24 hrs.)

Urine, Quantitative
Octacorboxporphyrin (Uroporphin)	< 27
Heptacarboxyporphyrin	< 6
Hexacarboxyporphyrin	< 3
Pentacarboxyporphyrin	< 5
Tetracarboxyporphyrin	< 72
Feces, Quantitative
Octacarboxyporphyrin (Uroporphin)	< 80
Heptacarboxyporphyrin	< 20
Tetracarboxyporphyrin (Coproporphyrin)	< 640
Dicarboxyporphyrin	< 1830

Myelin basic protein (CSF)
(Units=ng/mL)

0-4.0	Absence of active demyelination
4.0-8.0	Weekly positive, mild demyelination
> 8.0	Active demyelination

Protein electrophoresis

Serum	gm/dL, Total protein
Albumin	3.94-4.9
Alpha 1-globulin	0-0.27
Alpha 2-globulin	0.41-0.77
Beta-globulin	0.55-0.97
Gamma globulin	0.41-1.61

CSF
Total protein	15-45 mg/dL
	% of total
Prealbumin	2-7
Albumin	56-76
Alpha 1-globulin	2-7
Alpha 2-globulin	4-12
Beta-globulin	8-18
Gamma globulin	3-12

Dibucaine Inhibition

70-90%
18-20%	Congenital deficiency

Pseudocholinesterase, Total
(Units=U/mL)

Male:
< 18 years	Not established
> 18 years	11-25
Female:
< 18 years	Not established
18-29 years	7-20
30-39 years	8-21
40-49	9-22
50-59 years	11-24
> 60 years	11-25

Renin, plasma

Upright*	Low Na Diet	Mod. Na Diet	High Na Diet
	< 80 mmol 1.0 ng/mL/hr	80-160 mmol 0.3-3.2 ng/mL/hr	> 160 mmol < 2.2 ng/mL/hr
*Values for supine patients are approximately 50% lower

Semen analysis

Volume	1.5-5.0 mL
Motility	3 hrs > 60%
Normal forms	> 70%
Sperm count	60-150 million/mL
pH	7.2-8.9
Appearance	Translucent, turbid, viscous fluid

Somatomedin C
(Units=ng/mL)

Age	Male	Female
1-2 years	22-87	22-93
3-5 years	20-126	28-150
6-9 years	45-167	53-212
10-12 years	158-282	161-580
13-15 years	152-494	298-568
16-18 years	211-454	204-473
> 18 years	90-318	116-270

Synovial fluid analysis

White Blood Cell Count	200-600 cells/ul
Crystal analysis	absent
Culture	Negative
Uric Acid	2.5-8.5 mg/dL

Urinalysis

Appearance	Clear-hazy
Specific gravity	1.002-1.030
pH	4.5-8.0
Ketones	0 mg/dL
Protein	0 mg/dL
Glucose	0 mg/dL
Bilirubin	Negative
Blood	Negative
WBC	0-5/HPF
RBC	0-3/HPF
Casts	0-2/HPF
Crystals	Variable
Epithelial cells	Variable

Xylose absorption

Adults:
25 gram D-xylose dose
5-hour urine	4.8-8.2 g (mean 6.5)
1-hour blood	29-72 mg/dL (mean 45.0)
2-hour blood	15-76 mg/dL (mean 45.0)
5 gram D-xylose dose
5-hour urine	1.2-2.4 g (mean 1.8)
1-hour blood	8-12 mg/dL (mean 15.7)
Children:
5-hour urine	9-27%/5 hr. (mean 18%)
1-hour blood	15.8-39.8 mg/dL (mean 27.7)
In children, D-xylose excretion in a 5-hr urine is expressed as a percentage of the total dose because dosage varies with body weight.

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