What Is Signalment in Veterinary Medicine?

It’s the first thing you write on almost every note and the first thing you say when you present a case — and yet “signalment” is one of those terms that rarely gets explained properly. If you’re new to clinical practice, or just want the clean version, here’s what signalment is, what belongs in it, and why those few words at the top of the record do more work than almost anything else you write.

The definition

Signalment is the patient’s basic identifying profile — the handful of facts that describe who the animal is before you get to what’s wrong. The core five are:

• Species — dog, cat, horse, rabbit, and so on.
• Breed — or “mixed breed” / “DSH” (domestic shorthair) where relevant.
• Age — in years, or months for young animals.
• Sex — male or female.
• Reproductive status — intact, or neutered/spayed (often written MN, FS, MI, FI).

Put together, it reads like: “3-year-old male neutered Labrador Retriever” or “8-year-old female spayed domestic shorthair.” Some clinics also record coat colour, weight, and a microchip or ID number, but the five above are the heart of it.

Why those few words matter so much

Signalment isn’t box-ticking — it’s clinical reasoning that starts before you’ve laid a hand on the patient. Each element shifts the probability of different conditions:

• Age separates congenital and developmental problems from the degenerative and neoplastic conditions of older animals.
• Breed flags predispositions — think large-breed orthopaedic disease, brachycephalic airway issues, or breed-linked cardiac and endocrine conditions.
• Sex and reproductive status open or close whole categories: pyometra in an intact female, certain prostatic disease in an intact male, and the different cancer risks that neutering changes.

By the time you’ve read the signalment, your differential list has already started to sort itself. A vomiting 8-year-old cat and a vomiting 6-month-old kitten are very different problems, and signalment is what tells you that instantly.

Where it sits in the record

Signalment opens the note. It goes right at the top of the subjective section of a SOAP note, immediately before the presenting complaint and history:

“8-year-old FS DSH presented for 2 days of intermittent vomiting…”

That single line frames everything that follows — for you now, for a colleague picking up the case later, and for the record’s value as a medical-legal document. Getting it right and consistent every time is a small habit that pays off across thousands of notes. You can see it in action at the start of these SOAP note examples.

Capturing it without the friction

Signalment is also repetitive to type, which is exactly the kind of thing worth automating. When your practice-management system already holds the patient’s species, breed, age, and status, a good workflow pulls that straight into the note so you’re not re-typing it every visit. A voice-first AI scribe can carry the signalment into the record automatically and let you focus on the history and exam — the parts that actually need your attention.

Coggo drafts the full structured note — signalment, history, findings, and plan — from your spoken consult, so the basics are captured without a keyboard. Try it free on your next case.