— LAB · QUALITY CONTROL · LEVEY-JENNINGS

QC dashboard · CBC Haemoglobin · Level 1

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 · ok 4–6

14-d breach

1-3s on Apr 29

Apr 18 → May 01

↔ swipe to step through windows · 14 days across 5 cards

Apr 18 → 20 3 days · all in tolerance

Apr 21 → 23 1-2s · Apr 22 · acknowledged

Apr 24 → 26 3 days · all in tolerance

Apr 27 → 29 1-3s · Apr 29 · BREACH

Apr 30 → May 01 2 days · post-recalibration · stable

Apr 29 HGB

1-3s · Re-run + recalibrate by Naveen V.

Apr 22 HGB

1-2s · Acknowledged · within tolerance by Naveen V.

Apr 14 WBC

2-2s · Re-run · accepted by Geetha M.

Apr 09 PLT

R-4s · Lot change verified by Naveen V.

EQASApr 2026 · CMC Vellore · 96/100 · A NABLValid till 2027-08-15 Last audit2026-04-22 · 2 minor obs · CAR closed Internal auditDue 2026-08-01

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

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