Below is an alphabetical list of the route abbreviations used in the VetGRAM lists.
| Abbr | Long Name and Definition |
|---|---|
| AU | Auricular (Otic); administration to or by way of the ear |
| BUC | Buccal; referring to the inside lining of the cheeks and is part of the lining mucosa |
| EPI | Epidural; administration upon or over the dura mater |
| IA | Intra-arterial; administration within an artery or arteries |
| IART | Intra-articular; administration within a joint |
| ICAR | Intracardiac; administration with the heart |
| IDUC | Intraductal; administration within the duct of a gland |
| IFOL | Intrafollicular; administered within the follicle |
| IGAS | Intragastric; administration within the stomach |
| ILES | Intralesional; administration within or introduced directly into a localized lesion |
| IM | Intramuscular; administration within a muscle |
| IMM | Intramammary; administered within the teat canal |
| IMRS | Immersion; administered by immersing completely in solution |
| INF | Infiltration; administered in a diffuse pattern to multiple sites |
| INH | Respiratory (Inhalation); administration within the respiratory tract by inhaling orally or nasally for local or systemic effect |
| IP | Intraperitoneal; administration within the peritoneal cavity |
| ISIN | Intrasinal; administration within the nasal or periorbital sinuses |
| ISYN | Intrasynovial; administration within the synovial cavity of a joint |
| IT | Intrathecal; administration within the cerebrospinal fluid at any level of the cerebrospinal axis, including injection into the cerebral ventricles |
| ITES | Intratesticular; administration within the testicle |
| ITU | Intratumoral; direct injections into the tumor |
| IU | Intrauterine; administration within the uterus |
| IV | Intravenous; administration within or into a vein or veins |
| IVES | Intravesical; administration within the bladder |
| NAS | Nasal; administration to the nose; administered by way of the nose |
| NG | Nasogastric; administration through the nose and into the stomach, usually by means of a tube |
| OU | Ophthalmic; administration to the external eye |
| PAR | Parenteral; administration by injection, infusion, or implantation |
| PNEU | Perineural; administration surrounding a nerve or nerves |
| PO | Oral; administration to or by way of the mouth |
| PV | Vaginal; administration into the vagina |
| REC | Rectal; administration to the rectum |
| SC | Subcutaneous; administration beneath the skin; hypodermic (synonymous with the term SUBDERMAL) |
| SCi | Subcutaneous Implant; administered by placing under the skin |
| SCJ | Subconjunctival; administration between the conjunctiva and the sclera |
| SL | Sublingual; administration beneath the tongue |
| TD | Transdermal; administered through the dermal layer of the skin |
| TOP | Topical; administration to a particular spot on the outer surface of the body |
| TOPp | Topical, Pour On; administered to the skin by pouring liquid over the back |