American College of Histocompatibility and Immunogenetics (ACHI) · Current CHT Exam Content Outline linked by ACHI on 2026-10-13; filename revision marker 20250321, with no effective date printed in the outline. Accompanied by the Examination Candidate Handbook explicitly updated January 2026. The workbook label matches the official credential; the assigned slug is preserved.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

• ACHI Resource Hub
• ACHI Examination Candidate Handbook — January 2026
• Certified Histocompatibility Technologist Exam Content Outline
• 2025 ASHI Standards — CMS approved January 27, 2026
• HLA Nomenclature — Naming Alleles
• HLA Nomenclature — G Groups
• One Lambda Micro SSP Typing Trays
• Mayo Clinic Laboratories — Chimerism Transplant Sorted Cells
• HRSA OPTN — CPRA Calculator
• UCSF Immunogenetics and Transplantation Laboratory — Crossmatch Testing
• HRSA OPTN — Guidance for Addressing Blood Type Determination
• EDTA Treatment for Overcoming the Prozone Effect and for Predicting C1q Binding in HLA Antibody Testing
• 42 CFR 493.1291 — Test Report
• 42 CFR 493.1252 — Test Systems, Reagents and Supplies
• 42 CFR 493.1282 — Corrective Actions
• CMS — CLIA Verification of Performance Specifications
• CDC — Guidelines for Safe Work Practices in Human and Animal Medical Diagnostic Laboratories
• 42 CFR 493.1255 — Calibration and Calibration Verification Procedures
• NMDP — HLA Typing and Matching
• Thermo Fisher Scientific — MHC Tetramer Technology