ISO 9001
An international quality management system standard.
ISO 9001 is a process-oriented quality standard, not specifically medical. Many international hospitals carry it alongside healthcare-specific accreditations.
What this means for you: ISO 9001 alone isn't a clinical-quality signal. Combined with JCI/NABH/local healthcare accreditation, it's a useful second indicator.
What a term means for you depends on your own reports. Ask your treating doctor, or send your reports for a free review.