Reference Intervals

Reference Intervals were established at Iowa State University’s Clinical Pathology Laboratory.

Reference Intervals from Clinical Pathology Laboratory February 2011
– Department of Veterinary Pathology, Iowa State University

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Pathology Type	Test	Unit	Canine	Feline	Bovine	Equine	Porcine
Bile Acids	Bile Acids – 12 hr fasting	umol/L	1 – 20	1 – 13	n/a	n/a	n/a
Bile Acids	Bile Acids – 2 hr pp	umol/L	1 – 30	1 – 25	1 – 30	1 – 15	n/a
Blood Gas Analysis (arterial)	pH		7.31-7.42	7.24-7.40	7.35-7.50	7.32-7.44	n/a
Blood Gas Analysis (arterial)	pCO2	mmHg	29 – 42	29 – 42	35 – 44	38 – 46	n/a
Blood Gas Analysis (arterial)	pO2	mmHg	85 – 95	85 – 95	85 – 95	85 – 95	n/a
Blood Gas Analysis (arterial)	HCO3	mEq/L	17 – 24	17 – 24	20 – 30	24 – 30	n/a
Blood Gas Analysis (arterial)	Serum Osmolality	mOsm/kg	280 – 305	280 – 305	270 – 300	270 – 300	n/a
Chemistry	TCO2	mEq/L	19 – 26	15 – 23	21 – 31	24.5-33.5	n/a
Chemistry	Anion Gap	mEq/L	8 – 17	13 – 22	14 – 21	7 – 14	n/a
Chemistry	Ca	mg/dl	9.7-11.3	8.5-11.2	8.2-10.1	10.6-12.8	8.0-12.0
Chemistry	iCa	mg/dl	5.0 – 5.8	4.0 – 5.6		6.32-7.60	n/a
Chemistry	Phos	mg/dl	3.2 – 6.0	3.0 – 6.9	3.8 – 7.9	2.6 – 5.0	4.5 – 9.0
Chemistry	Mg	mg/dl	1.70-2.50	1.97-2.50	2.10-2.90	1.43-2.68	1.82-3.65
Chemistry	BUN	mg/dl	10 – 30	15 – 29	7 – 32	14 – 21	6 – 30
Chemistry	Creat	mg/dl	0.5 – 1.5	0.8 – 2.1	0.1 – 1.9	1.0 – 2.1	0.5 – 2.7
Chemistry	Glucose	mg/dl	68 – 115	70 – 120	40 – 100	80 – 113	65 – 150
Chemistry	Total Protein	g/dl	5.2 – 7.1	6.1 – 8.0	6.7 – 8.7	5.8 – 8.0	7.0 – 8.9
Chemistry	Albumin	g/dl	2.7 – 4.0	2.8 – 4.0	3.2 – 3.9	2.5 – 3.9	3.0 – 4.5
Chemistry	Bilirubin – Total	mg/dl	0.10-0.60	0.10-0.50	0.00-0.18	0.70-2.40	0.0-1.0
Chemistry	Alk Phos	IU/L	20 – 150	25 – 70	29 – 136	50 – 220	25 – 130
Chemistry	ALT/SGPT	IU/L	24 – 90	20 – 120	n/a	n/a	n/a
Chemistry	AST/SGOT	IU/L	5 – 50	20 – 60	68 – 156	100 – 465	10 – 300
Chemistry	CK	IU/L	55 – 200	50 – 450	1 – 350	100 – 575	100 – 2500
Chemistry	GGT	IU/L	5 – 16	1 -10	1 – 50	7 – 26	10 – 100
Chemistry	LDH	IU/L	50 – 520	60 – 490	280 – 410	150 – 425	n/a
Chemistry	SDH	IU/L	0 – 8	0 – 8	0 – 50	0 – 6	n/a
Chemistry	Cholesterol	mg/dl	132 – 300	75 – 260	78 – 120	77 – 125	n/a
Chemistry	Triglyceride	mg/dl	24- 115	21 – 120	25 – 120	n/a	n/a
Chemistry	Lipase	IU/L	100 – 700	0 – 175	n/a	n/a	n/a
Chemistry	Na	mEq/L	141 – 151	152 – 159	133 – 147	137 – 145	135 – 150
Chemistry	K	mEq/L	3.9 – 5.3	3.8 – 5.4	3.7 – 5.3	2.6 – 4.5	4.0 – 7.0
Chemistry	Cl	mEq/L	112 – 121	118 – 126	94 – 109	102 – 114	95 – 110
Chemistry-Special	Cortisol- resting	ug/dl	1.0 – 5.0	1.0 – 5.0
Chemistry-Special	Cortisol- post ACTH		5.5-2.0	4.5-15.0
Chemistry-Special	Cortisol- post Dex		see report	see report
Chemistry-Special	T4	ug/dl	1.0 – 3.0	1.0 – 4.0		0.9 – 2.8
Coagulation	PT	sec	5.4-11.9	5.4-11.9	23.8-27.0	23.8-32.4	17.7-21.3
Coagulation	PTT	sec	8.9-18.7	8.9-18.7	39.2-57.0	30-50	21.8-35.4
Coagulation	D-Dimer	ng/ml; units and RIs differ by assays	0 – 400	0 – 400	NA	0 – 450
Hematology	WBC	x10³/ul	6.0-17.0	5.5-19.5	4.0-12.0	5.0-11.0	(9.62-25.2); (11.35-28.9)*
Hematology	Band neutrophils	x10³/ul	0.0 – 0.3	0.0 – 0.3	0.00-0.12	0.0 – 0.2
Hematology	Segmented neutrophils	x10³/ul	3.0-11.4	2.5-12.5	0.6-4.0	2.1-6.7	(2.35-11.9) (2.00-10.4)*
Hematology	Lymphocytes	x10³/ul	1.0 – 4.8	1.5 – 7.0	2.5 – 7.5	1.3 – 4.5	(4.02 – 12.50); (5.30 – 17.9)*
Hematology	Monocytes	x10³/ul	0.15-1.35	0.0-0.85	0.03-0.85	0.0-0.5	(0.05-2.30) : (0.0-3.7)*
Hematology	Eosinophils	x10³/ul	0.1-0.75	0.0-0.75	0.0-2.4	0.0-0.5	(0.0-0.5); (0.0-1.3)*
Hematology	Basophils	x10³/ul	0.0 – 0.1	0.0 – 0.1	0.0 – 0.2	0.0 – 0.2	(0.0-1.6), (0.0-0.4)*
Hematology	RBC	x10⁶/ul	5.5 – 8.5	5 – 10	5 – 10	7 – 11	(4.87 – 7.88) : (5.88 – 8.19)*
Hematology	Hb	g/dl	12-18 (8-12)*	10-15 (8-11)*	8-15	11.5-16.0	(8.08 – 11.9); (11.2 – 14.7)*
Hematology	Hct	%	37-55 (25-37)*	30-45 (24-34)*	24 – 46	34 – 45	(28.22 – 39.8); (32.3 – 42.6)*
Hematology	MCV	fL	60 – 77	39 – 55	40 – 60	36 – 49	(43.4 – 64.5); (47.5 – 59.2)*
Hematology	MCH	pg	19.5-30	12.5-17.5	11-17	12.7-17.5	(12.4 – 19.3); (16.3 – 20.6)*
Hematology	MCHC	g/dl	32 – 36	30 – 36	30 – 36	34 – 36	(27.39 – 31.4); (33.3 – 35.8)*
Hematology	Platelets	x10³/ul	200 – 500	300 – 800	300 – 800	130 – 300	(374.3-1080.8); (118.9-522.9)*
Hematology	Plasma Protein	g/dl	5.3 – 7.2	6.3 – 8.2	6.9 – 7.7	6.0 – 8.2
Hematology	Fibrinogen	mg/dl	100 – 400	100 – 400	100 – 500	100 – 400	100 – 500

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