Levey‑Jennings

Control chart for the selected test and material level, with the run that triggered this week's rule violation.

Recent runs

Last 5 of 20

Run	L2Bio‑Rad Multiqual · Lot 4471			L1Bio‑Rad Multiqual · Lot 4409
Run	Result	SD index	Rule	Result	SD index	Rule
12 Mar · 07:12	9.8 mmol/L	+0.4 SD	—	5.4 mmol/L	+1.3 SD	—
11 Mar · 07:10	9.9 mmol/L	+0.6 SD	—	5.6 mmol/L	+1.6 SD	—
10 Mar · 07:08	9.5 mmol/L	-0.2 SD	—	5.1 mmol/L	+0.9 SD	—
09 Mar · 06:30	10.3 mmol/L	+1.8 SD	—	6.2 mmol/L	+2.9 SD	1‑3s
08 Mar · 07:02	9.7 mmol/L	0.0 SD	—	5.0 mmol/L	+0.7 SD	—

L2Level 2 summary statistics

	Month	Cumulative
Mean	0	9.84
SD	0	0.28
CV% (T‑CV%)	0 (0)	2.8 (5.1)
Points	0	20

L1Level 1 summary statistics

	Month	Cumulative
Mean	0	5.46
SD	0	0.52
CV% (T‑CV%)	0 (0)	9.5 (16.2)
Points	0	20

6 Accept

3 Warn

1 Reject

Recent runs

Last 5 of 20

Run	L2Randox Acusera · Lot 2315			L1Randox Acusera · Lot 2290
Run	Result	SD index	Rule	Result	SD index	Rule
12 Mar · 08:07	182 U/L	+0.5 SD	—	68 U/L	+3.1 SD	1‑3s
11 Mar · 08:05	178 U/L	-0.3 SD	—	52 U/L	+1.2 SD	—
10 Mar · 08:03	185 U/L	+1.0 SD	—	48 U/L	+0.6 SD	—
09 Mar · 08:00	190 U/L	+2.1 SD	—	45 U/L	0.0 SD	—
08 Mar · 08:04	179 U/L	-0.1 SD	—	47 U/L	+0.3 SD	—

L2Level 2 cumulative

Mean183.2

SD5.1

CV%2.8

L1Level 1 cumulative

Mean50.1

SD8.2

CV%16.4

L2Creatinine — run history

Chemistry‑1 · Bio-Rad Multiqual · Lot 4471

Run	Value	Z	Rule	Status
12 Mar · 07:14	88.2 µmol/L	+0.2	—	In control
11 Mar · 07:12	86.0 µmol/L	-0.2	—	In control
10 Mar · 07:10	90.1 µmol/L	+0.5	—	In control
09 Mar · 07:08	87.9 µmol/L	0.0	—	In control
08 Mar · 07:06	85.2 µmol/L	-0.3	—	In control

L2Cumulative statistics

Mean87.5 µmol/L

SD1.8

CV%2.1

Points20

L2Urea — run history

Chemistry‑2 · Randox Acusera · Lot 2315

Run	Value	Z	Rule	Status
12 Mar · 08:06	5.2 mmol/L	-0.4	—	In control
11 Mar · 08:04	5.5 mmol/L	+0.1	—	In control
10 Mar · 08:02	5.6 mmol/L	+0.3	—	In control
09 Mar · 07:59	5.0 mmol/L	-0.7	—	In control
08 Mar · 08:03	5.4 mmol/L	0.0	—	In control

L2Cumulative statistics

Mean5.34 mmol/L

SD0.23

CV%4.3

Points20

L1WBC — run history

Hematology · Beckman 5C · Lot 9981

Run	Value	Z	Rule	Status
12 Mar · 06:50	7.2 ×10⁹/L	+0.1	—	In control
11 Mar · 06:48	7.0 ×10⁹/L	-0.1	—	In control
10 Mar · 06:52	7.5 ×10⁹/L	+0.4	—	In control
09 Mar · 06:45	6.8 ×10⁹/L	-0.3	—	In control
08 Mar · 06:51	7.1 ×10⁹/L	0.0	—	In control

L1Cumulative statistics

Mean7.12 ×10⁹/L

SD0.25

CV%3.5

Points20

L1Potassium — run history

Chemistry‑1 · Bio-Rad Multiqual · Lot 4409

Run	Value	Z	Rule	Status
12 Mar · —	—	—	—	Due 14:00
11 Mar · 14:02	4.1 mmol/L	+0.3	—	In control
10 Mar · 14:05	3.9 mmol/L	-0.4	—	In control
09 Mar · 13:58	4.3 mmol/L	+0.9	—	In control
08 Mar · 14:01	4.0 mmol/L	-0.1	—	In control

L1Cumulative statistics

Mean4.08 mmol/L

SD0.16

CV%3.9

Points19

L1Sodium — run history

Chemistry‑1 · Bio-Rad Multiqual · Lot 4409

Run	Value	Z	Rule	Status
12 Mar · —	—	—	—	Due 14:00
11 Mar · 14:04	140 mmol/L	+0.2	—	In control
10 Mar · 14:07	138 mmol/L	-0.5	—	In control
09 Mar · 14:00	142 mmol/L	+0.8	—	In control
08 Mar · 14:03	139 mmol/L	-0.3	—	In control

L1Cumulative statistics

Mean139.8 mmol/L

SD1.6

CV%1.1

Points19

L2Chloride — run history

Chemistry‑1 · Bio-Rad Multiqual · Lot 4471

Run	Value	Z	Rule	Status
12 Mar · —	—	—	—	Due 14:00
11 Mar · 14:06	102 mmol/L	-0.2	—	In control
10 Mar · 14:09	105 mmol/L	+0.6	—	In control
09 Mar · 14:02	100 mmol/L	-0.8	—	In control
08 Mar · 14:05	103 mmol/L	0.0	—	In control

L2Cumulative statistics

Mean102.8 mmol/L

SD1.9

CV%1.8

Points19