Termination of Repeat Testing in Chemical Laboratories Based on Practice Guidelines: Examining the Effect of Rule-Based Repeat Testing in a Transplantation Center

Table 2

The suggested protocol for repeat testing in our clinical chemistry laboratory.

Analyte	Unit	Reference range	Analytical measurement range (AMR)		Clinical significance		Delta check		Critical
			Low	High	Low	High	Value	%	Low	High
Albumin	g/dL	3.5–5.5	0.2	6	3.5	5.7	0.5	10	—	—
ALP	IU/L	64–306	5	1000	60	380	40	20	—	—
ALT	IU/L	3–40	2	300	5	60	10	50	—	—
Amylase	IU/L	0–90	—	900	—	100	15	30	—	—
AST	IU/L	3–40	2	300	5	60	8	30	—	250
BT	mg/dL	0.1–1.3	0.1	30	—	1.4	0.2	20	—	18
BD	mg/dL	0.1–1.3	0.1	10	—	0.3	0.2	100	—	—
BUN	mg/dL	6–20	4.4	140	5	20	5	30	—	80
Calcium	mg/dL	8.5–10.5	5	15	7	10.6	1	10	6	13
Cl	mmol/L	98–110	25	300	90	112	5	5	80	120
CholT	mg/dL	100–200	5	500	—	200	30	20	—	—
CK	IU/L	0–171	10	1700	—	240	60	70	—	—
Cr	mg/dL	0.6–1.4	0.2	20	—	1.5	0.2	20	—	5
Glucose	mg/dL	70–100	20	400	55	126	20	20	40	400
GGT	IU/L	0–49	—	284	—	60	10	40	—	—
HDL	mg/dL	40–60	5	100	40	60	10	20	—	—
Iron	µg/dL	40–165	5	500	40	220	70	80	—	—
LDH	IU/L	235–470	50	1200	—	470	100	25	—	—
LDL	mg/dL	60–130	1	400	—	100	15	25	—	—
Lipase	IU/L	0–60	5	250	—	60	40	60	—	—
Mg	mg/dL	1.5–2.5	0.5	5	1.5	2.5	0.2	20	1	4.7
Ph	mg/dL	2.7–4.5	2	20	2.7	4.5	0.5	20	1	8.9
ProtT	g/dL	6.6–8.8	0.5	15	5	8.8	1	10	—	—
TIBC	µg/dL	250–450	77	694	220	450	30	10	—	—
TG	mg/dL	40–150	5	700	40	150	50	60	—	—
Uric acid	mg/dL	2.6–7.2	0.5	25	2	8	1.5	30	—	13