The Documentation Paradox: Quantifying Administrative Burden in Accredited Medical Laboratories—A Fifteen-Year Longitudinal Study from India

Background: Laboratory accreditation under ISO 15189 and national frameworks promises enhanced diagnostic reliability. However, the administrative consequences of accreditation implementation in resource-limited settings remain inadequately quantified. We sought to measure the true documentation burden imposed by accreditation systems on Indian medical laboratories. Methods: We conducted a fifteen-year longitudinal observational study (2010-2025) across 86 NABL/CAP-accredited laboratories in 15 Indian states. Data collection included documentary analysis, financial records, performance metrics, and structured interviews with 86 healthcare professionals. Primary outcomes were non-clinical staff growth, documentation volume, and pathologist time allocation. Results: Non-clinical administrative staff increased from 1.8 ± 0.6 FTE pre-accreditation to 9.7 ± 2.1 FTE after eight or more years (p<0.001, Spearman's ρ=0.87). Documentation burden increased 300-400%, with medium-sized laboratories maintaining 2,800 ± 580 pages of controlled documentation requiring 640 ± 140 annual staff-hours for maintenance. Pathologists reported diverting 22-35% of working time to accreditation activities. A phenomenon we term "audit anxiety"—persistent vigilance focused on assessor satisfaction rather than clinical quality—was universally reported. Despite these investments, no correlation emerged between accreditation status and external quality assessment performance. Conclusions: Accreditation has generated substantial administrative expansion without demonstrable quality improvement. The documentation burden appears disproportionate to patient benefit, suggesting fundamental misalignment between procedural compliance and clinical outcomes. These findings warrant reconsideration of accreditation implementation strategies in healthcare systems with constrained human resources.