LAB · QUALITY CONTROL · LEVEY-JENNINGS

QC dashboard · CBC Haemoglobin · Level 1 control

Lot: BIO-CBC-NORMAL-2026-04 · expires 2026-08-15 · mean 14.2 · SD 0.18 · Westgard rules active

CV %

1.27%

Target ≤2.0% · ▴ 0.04

Bias %

0.6%

Target ±2.0% · ▬

Sigma metric

5.4σ

World-class >6 · acceptable 4–6

14-day breach count

1-3s on Apr 29

Levey-Jennings · last 14 days

Apr 18 → May 01 · run 1 of 2 daily controls

Westgard rule violations · last 30 days

Date	Test	Rule	Action taken	By
Apr 29	HGB	1-3s	Re-run + recalibrate	Naveen V.
Apr 22	HGB	1-2s	Acknowledged · within tolerance	Naveen V.
Apr 14	WBC	2-2s	Re-run · accepted	Geetha M.
Apr 09	PLT	R-4s	Lot change verified	Naveen V.

EQAS / NABL standing

Last EQAS panel (CMC Vellore)Apr 2026 cycle 4 · score 96/100 · A grade NABL accreditationValid till 2027-08-15 Last NABL audit2026-04-22 · 2 minor obs · CAR closed ISO 15189 internal auditDue 2026-08-01

CBC · A Biochem · A Coag · A Microbiol · B (subscription pending)

Microbiology EQAS subscription renewal: ₹48,000 · approver: AVP