Global Companion Animal Healthcare Market, by Diagnostics, 2018-2027

Growth Outlook

• The 2027 portion of the Global Companion Animal Healthcare Market, by Diagnostics, 2018 market is on a steady long-term growth path. Segment value stands at roughly USD 5924 Mn in 2026 and is projected to reach USD 6408 Mn by 2027 — a gain of about 8% over the forecast period, translating to a CAGR in the high single digits.
• Across all 4 series, Others sits on top as of 2027: 1. 95B USD, or 30% of everything shown here combined.
• What the regional split looks like (2026): Others leads, holding roughly 30% of segment value — the single largest regional share. Diagnostic Imaging is the second-largest contributor. Immunodiagnostic Tests and Molecular Diagnostics make up the remainder, in descending order.
• By 2027, Others alone is expected to reach USD 1950 Mn, with Diagnostic Imaging at USD 1820 Mn.

Market Dynamics

Across all 4 series, Others sits on top as of 2027: 1.95B USD, or 30% of everything shown here combined.

Diagnostic Imaging is runner-up at 1.82B USD — 7% off the lead.

Others: up 86% over the period, 1.05B USD to 1.95B USD.

Diagnostic Imaging: 1.03B USD to 1.82B USD, 76% higher by 2027.

Immunodiagnostic Tests: 816.58M USD in 2018 to 1.66B USD by 2027, up 104%.

Molecular Diagnostics grows to 974.32M USD by 2027, from 542.40M USD in 2018 — 80% up.

Immunodiagnostic Tests outpaces every other series here, 104% growth — worth watching even if it is not the biggest in absolute terms yet.

Add every series together and the total reaches 6.41B USD by 2027, 86% above the 2018 combined figure of 3.44B USD.

Reading A Multi-Series Chart

This chart compares 4 series side by side, not one trend over time. Read them against each other — the biggest number in the room is not automatically the most important line to follow.

A group with a small share can still matter most for the story — it is often the rate of change, not the current level, that is worth the closer look.

For planning purposes, the end-year figure and the growth rate are the two numbers that matter. Together they show how large the Global Companion Animal Healthcare market is projected to become and how quickly it gets there.

Figures before the 2018 base year are historical estimates; the years through 2027 are projections built from industry data, company revenues, and primary interviews. Forecasts are revised as new data comes in, so check the full report for the latest assumptions.