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Equipment Maintenance Logs

Document equipment maintenance, function checks, and corrective actions using manufacturer instructions and laboratory procedures. CLIA requires documented maintenance and function checks at the specified frequency, with acceptable function checks before patient testing. CAP’s public histology guide provides equipment-specific guidance; confirm applicable requirements against the laboratory’s current CAP checklist.

Requirements & Source References

CLIA — Maintenance Requirements

42 CFR § 493.1254(a)–(b)

Maintenance and function checks

Follow and document manufacturer maintenance and function-check instructions at least as frequently as specified. Function checks must meet established limits before patient testing. For modified or in-house equipment, or when manufacturer protocols are absent, establish and document appropriate laboratory protocols.

Brief source excerpt“Maintenance as defined by the manufacturer”
Brief source excerpt“Function checks must be within the manufacturer's established limits”

42 CFR § 493.1254 — maintenance and function checks

42 CFR § 493.1252(b)

Operating conditions

Define, monitor, and document conditions essential to reliable operation, including applicable temperature, water-quality, humidity, and electrical-supply conditions. Follow manufacturer criteria where provided.

Brief source excerpt“These conditions must be monitored and documented”

42 CFR § 493.1252 — equipment and testing conditions

42 CFR § 493.1282(b)(1)(i)

Corrective actions

Document corrective actions when equipment operates outside established parameters or performance specifications. Link the action to the affected equipment, check, and record.

Brief source excerpt“The laboratory must document all corrective actions taken”

42 CFR § 493.1282 — corrective actions

CAP — Equipment Guidance & Checklist References

CAP’s public specimen-handling guide describes histology equipment practices. The guide is version 12.0, March 2025, and cites the December 26, 2024 checklist edition. These summaries are guidance; confirm mandatory wording and applicability in the laboratory’s current assigned CAP checklist.

CAP PUBLIC GUIDE · PRINTED PAGE 26

Grossing station

Address ventilation and formalin-exposure monitoring. Set station cleaning and equipment checks from the manufacturer’s instructions and laboratory procedures.

CAP guide — grossing environment, printed page 26

CAP PUBLIC GUIDE · PRINTED PAGE 41

Embedding center

Address paraffin temperature, heated components, forceps and surface cleaning, and reservoir or filter care.

Brief source excerpt“Temperature of embedding paraffin – monitored daily”

CAP guide — embedding, printed page 41

CAP PUBLIC GUIDE · PRINTED PAGES 37–40

Tissue processor

Define maintenance responsibilities, reagent-change intervals appropriate to workload, and reservoir cleaning.

CAP guide — tissue processing, printed pages 37–40

CAP PUBLIC GUIDE · PRINTED PAGES 44–45

Stainer

Address reagent schedules, stain-quality controls, corrective actions, and preventive servicing.

Brief source excerpt“Establish a preventative maintenance program that includes annual service and emergency service.”

CAP guide — H&E staining, printed pages 44–45

CAP PUBLIC GUIDE · PRINTED PAGES 54–55

Coverslipper

Address cleaning, reagents, filters, and preventive servicing according to the instrument’s instructions and the laboratory’s procedures.

CAP guide — coverslipping, printed pages 54–55

CAP — current accreditation checklists and access

Sources reviewed October 3, 2026. Equipment models and manufacturer instructions determine the tasks, intervals, and acceptable limits for each log.

Free Maintenance Log Templates

6 templates · PDF

Microtome and Water Bath Maintenance Log

Daily cleaning, water-bath temperature checks, and monthly microtome lubrication.

1 page · Monthly log
Preview template

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Microtome and Water Bath Maintenance Log: monthly checks, preventive maintenance and corrective actions, reviewer signature, and document-control footer
Page 1 of 1

Grossing Station Maintenance Log

Ventilation, work surfaces, sink and drain, fluid lines, and waste-system checks.

1 page · Monthly log
Preview template

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Grossing Station Maintenance Log: monthly checks, preventive maintenance and corrective actions, reviewer signature, and document-control footer
Page 1 of 1

Embedding Center Maintenance Log

Paraffin, heated-surface, and cold-plate temperatures, plus cleanliness and function checks.

1 page · Monthly log
Preview template

Select the page to open the full PDF.

Embedding Center Maintenance Log: monthly checks, preventive maintenance and corrective actions, reviewer signature, and document-control footer
Page 1 of 1

Tissue Processor Maintenance Log

Reagents, paraffin, retort seals, cleaning cycles, and status or alarm checks.

1 page · Monthly log
Preview template

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Tissue Processor Maintenance Log: monthly checks, preventive maintenance and corrective actions, reviewer signature, and document-control footer
Page 1 of 1

Stainer Maintenance Log

Reagents, stations, racks and carriers, water and drains, and function checks.

1 page · Monthly log
Preview template

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Stainer Maintenance Log: monthly checks, preventive maintenance and corrective actions, reviewer signature, and document-control footer
Page 1 of 1

Coverslipper Maintenance Log

Mounting medium, coverslip supply, dispensing path, slide path, and waste tray checks.

1 page · Monthly log
Preview template

Select the page to open the full PDF.

Coverslipper Maintenance Log: monthly checks, preventive maintenance and corrective actions, reviewer signature, and document-control footer
Page 1 of 1