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OFA Number Key

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The following key will be of assistance in interpreting OFA numbers for the various databases.

Example: LR-100E24M-PI

LR = Breed Code, in this case a Labrador Retriever
100 = Ascending numerical identifier given to each animal within a breed evaluated as normal and given a number, in this case the 100th Labrador to be given a number
E = The phenotypic OFA evaluation, in this case E = Excellent, other normal phenotypes include G (Good) and F (Fair).
24 = The age in months when the testing was done, in this case 24 months
M = Sex, in this case a male
PI or VPI = Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: GR-EL500F36-PI

GR = Breed Code, in this case a Golden Retriever
EL = OFA Database, in this case Elbow (EL)
500 = Ascending numerical identifier given to each animal within a breed evaluated as normal and given a number, in this case the 500th Golden to be given an elbow number
F = Sex
36 = The age in months when the testing was done, in this case 36 months
PI or VPI = Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied

Example: DP-CA250/12M/C-PI

DP = Breed Code, in this case a Doberman Pinscher
CA = OFA Database, in this case Cardiac (CA)
250 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 250 th Doberman to be given a cardiac number
12 = The age in months when the testing was done, in this case 12 months
M = Sex
C = Suffix indicating the area of specialty of the attending veterinarian.
P = General Practitioner
S = Specialist
C = Board Certified Cardiologist
PI or VPI = Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: ES-TH800/14F-PI

ES = Breed Code, in this case an English Setter
TH = OFA Database, in this case Thyroid (TH)
800 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 800 th English Setter to be given a thyroid number
14 = The age in months when the testing was done, in this case 14 months
F = Sex
PI or VPI = Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: HAV-BR5/8F-PI

HAV= Breed Code, in this case a Havanese
BR = OFA Database, in this case Deafness (BR - BAER Test)
5 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 5 th Havanese to be given a BAER number
8 = The age in months when the testing was done, in this case 8 months
F = Sex
PI or VPI = Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: PO-PA85/18M/S-PI

PO = Breed Code, in this case a Poodle
PA = OFA Database, in this case Patellar Luxation (PA)
85 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 85 th Poodle to be given a patella number
18 = The age in months when the testing was done, in this case 18 months
M = Sex
S = Suffix indicating the area of specialty of the attending veterinarian.
P = General Practitioner
S = Specialist
O = Orthopedic Surgeon
PI or VPI= Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: PO-SA750/60M-PI

PO = Breed Code, in this case a Poodle
SA = OFA Database, in this case Sebaceous Adenitis (SA)
750 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 750 th Poodle to be given an SA number
60 = The age in months when the testing was done, in this case 60 months
M = Sex
PI or VPI= Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: MP-LP1/15M-PI

MP= Breed Code, in this case a Miniature Pinscher
LP = OFA Database, in this case Legg-Calve-Perthes (LP)
1 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 1st Min Pin to be given a Legg Perthes number
15 = The age in months when the testing was done, in this case 15 months
M = Sex
PI or VPI= Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.

Example: NF-CY500/4F-PI

NF = Breed Code, in this case a Newfoundland
CY = OFA Database, in this case Cystinuria (CY). OFA DNA Databases include:
CLAD = Canine Leukocyte Adhesion Deficiency
CSNB = Congenital Stationary Night Blindness
CT = Copper Toxicosis
CY = Cystinuria
PFK = Phosphofructokinase Deficiency
PRA = Progressive Retinal Atrophy
PK = Pyruvate Kinase Deficiency
RD = Renal Dysplasia
VWD - Von Willebrand's Disease
500 = Ascending numerical identifier given to each animal with a breed evaluated as normal and given a number, in this case the 500 th Newfoundland to be given a Cystinuria number
4 = The age in months when the testing was done, in this case 4 months
F = Sex
PI or VPI = Indicates that the animal has been permanently identified in the form of tattoo or microchip. If the dog is permanently identified AND the id has been verified and signed off by the attending veterinarian, a suffix of VPI is applied. If the animals lacks permanent identification, a suffix of NOPI is applied.
BP = By Parentage
CAR = Carrier