American Society for Clinical Pathology Board of Certification (ASCP BOC) · ASCP BOC HT/HTL Examination Content Guideline, revised July 10, 2026; applicable to testing dates up to and including October 31, 2026. Current for the user-facing date of October 13, 2026. Workbook-label mapping: “Histotechnician (HTL)” maps to the official Scientist in Histotechnology - HTL(ASCP) examination; Histotechnician - HT(ASCP) is a distinct credential, not an alias for HTL.

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

• Scientist in Histotechnology - HTL Content Guideline
• Histotechnician - HT(ASCP) and Scientist in Histotechnology - HTL(ASCP): Examination Content Guideline
• Histotechnician - HT(ASCP) and Scientist in Histotechnology - HTL(ASCP): Examination Content Guideline
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• A review of artifacts in histopathology
• Proposal of an Appropriate Decalcification Method of Bone Marrow Biopsy Specimens in the Era of Expanding Genetic Molecular Study
• Detecting Glycogen in Peripheral Blood Mononuclear Cells with Periodic Acid Schiff Staining
• The congo red stain revisited
• Perls’ Prussian blue stains of lung tissue, bronchoalveolar lavage, and sputum
• Controls for Immunohistochemistry: The Histochemical Society’s Standards of Practice for Validation of Immunohistochemical Assays
• Histopathological Image Analysis: A Review
• Laboratory Methods in Clinical Bacteriology
• 29 CFR 1910.1048 - Formaldehyde
• Monitoring Dehydration and Clearing in Tissue Processing for High-Quality Clinical Pathology
• Gelatin In Situ Zymography on Fixed, Paraffin-embedded Tissue: Zinc and Ethanol Fixation Preserve Enzyme Activity
• Indirect Immunofluorescence on Frozen Sections of Mouse Mammary Gland
• Rapid micro fluorescence in situ hybridization in tissue sections
• NIEHS/DTT Toxicity Specifications: Chapter 8. Anatomic Pathology; March 2023