Canadian industry

621510 Medical and diagnostic laboratories

Laboratoires médicaux et d'analyses diagnostiques

Official definition

This Canadian industry comprises establishments primarily engaged in providing analytic or diagnostic services. These services are generally provided to the medical profession, or to the patient on referral from a health practitioner.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleMedical and diagnostic laboratories
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelCanadian industry
Parent code62151 - Medical and diagnostic laboratories
International correspondenceQ8690*
Sourcehttps://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification2026-05-05
Canada Business Context

Canada-wide tax and filing context

Canada-wide business, tax, and filing context from the local country pack and tax pack.

Characteristic Description
Tax authorityCanada Revenue Agency (CRA)
Business identifierBusiness Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax.
Filing requirementsBusiness Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authorityHealth Canada and provincial colleges of physicians and health professionals

Exclusions

  • grinding lenses to prescription (optical laboratories) (See 339110 Medical equipment and supplies manufacturing (CAN))
  • making dentures, artificial teeth and orthodontic appliances (dental laboratories) (See 339110 Medical equipment and supplies manufacturing (CAN))
  • making prescription orthopaedic or prosthetic appliances (orthopaedic laboratories) (See 339110 Medical equipment and supplies manufacturing (CAN))

Examples

  • bacteriological laboratories, diagnostic
  • biological laboratories
  • dental laboratory, analysis and diagnostic
  • medical laboratories (clinical)
  • medical pathology laboratories
  • X-ray laboratories, medical
  • bacteriological laboratories, diagnostic
  • bacteriological laboratories, medical
  • biological laboratories
  • blood analysis laboratories
  • dental laboratories, X-ray
  • dental laboratory, analysis and diagnostic
  • health laboratory (e.g., cytology, mycology, parasitology, toxicology)
  • laboratories, biological, medical, X-ray (picture and treatment)
  • laboratories, combined medical and radiological
  • laboratories, dental X-ray
  • laboratory services, medical
  • medical laboratories (clinical)
  • medical pathology laboratories
  • medical X-ray services
  • radiological laboratory services, medical
  • testing laboratories, medical, analytic or diagnostic
  • urinalysis laboratories
  • X-ray laboratories, medical
  • X-ray, MRI, CAT/CT scan, ultrasound and other medical imaging centres with medical doctors
  • X-ray, MRI, CAT/CT scan, ultrasound and other medical imaging centres without medical doctors

Classification Confidence Score

5 of 6 factors passing

8/ 10
Verified official sourcenaics-scian-2022-structure-v1-eng.csv (2026-05-05)
International crosswalkISIC Rev. 4 mapping: Q8690*
Previous edition migrationNAICS 2017 to 2022 continuity confirmed
Complete hierarchy5 levels confirmed in hierarchy
Size or threshold documentedSME thresholds documented in federal tax pack
Trade or export matchNo direct HS code correspondence in current bundle
Legacy crosswalkLegacy system (SIC 1980) retired in this region
Business Profiles

When you might need code 621510

These role examples come from the official title and example wording attached to this code.

01 621510
Medical and diagnostic laboratories

Use this page when the business is directly described by the official title or definition for 621510 Medical and diagnostic laboratories. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.

02 621510
bacteriological laboratories, diagnostic

Use this page when the activity is described in the official StatCan example wording as bacteriological laboratories, diagnostic. Compare the definition, exclusions, and nearby codes here before attaching 621510 Medical and diagnostic laboratories to a business file.

03 621510
biological laboratories

Use this page when the activity is described in the official StatCan example wording as biological laboratories. Compare the definition, exclusions, and nearby codes here before attaching 621510 Medical and diagnostic laboratories to a business file.

04 621510
dental laboratory, analysis and diagnostic

Use this page when the activity is described in the official StatCan example wording as dental laboratory, analysis and diagnostic. Compare the definition, exclusions, and nearby codes here before attaching 621510 Medical and diagnostic laboratories to a business file.

Business Map

Business categories in this branch

A rotating set of business activity examples linked to this part of the Canadian hierarchy.

Home healthResidential careClinical servicesSocial assistanceCommunity support

In this section

  • 621510Medical and diagnostic laboratories

Commonly confused with

339110 — Medical equipment and supplies manufacturing

grinding lenses to prescription (optical laboratories) (See 339110 Medical equipment and supplies m...

ISIC Rev. 4 correspondence

Q8690*Other human health activities

Approximate correspondence

Medical and diagnostic laboratories

US NAICS referenceNo exact same-code US entry appears in the local reference workbook.

Source row

621510Medical and diagnostic laboratories

This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.

Frequently asked questions

What does code 621510 cover?

Medical and diagnostic laboratories: This Canadian industry comprises establishments primarily engaged in providing analytic or diagnostic services. These services are generally provided to the medical profession, or to the patient on referral from a health practitioner.

Which level of the hierarchy is 621510?

It is a canadian industry page in the NAICS Canada 2026 hierarchy.

What is the parent of 621510?

It rolls up to 62151 Medical and diagnostic laboratories.

Should I stop at 621510 or go lower?

This page already points to the exact six-digit Canadian industry in the current site structure.

Are official inclusion notes attached to 621510?

No inclusion rows are attached to this page in the local elements file.

Are there exclusion notes for 621510?

Yes. 3 exclusion note(s) help separate this page from nearby codes.

Does 621510 include illustrative examples?

Yes. 26 example row(s) are available for boundary checking.

What kinds of businesses often start from this page?

Examples in this branch include Home health, Residential care, Clinical services, Social assistance, Community support.

Is there an ISIC mapping for 621510?

Yes. The page shows Q8690* Other human health activities.

Does this page show a US NAICS reference?

No same-code US NAICS reference row is attached on this page.

Why are both English and French titles shown?

NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.

Where does the page text come from?

From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.