How To Read OFA Numbers

http://www.offa.org/hipgrade.html

Hip Dysplasia
Example: IS-100E24M-PI

IS = Breed Code, in this case an Icelandic Sheepdog

100 = Ascending numerical identifier given to each animal within a breed evaluated as normal and given a number, in this case
the 100th Icelandic Sheepdog 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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.
NOPI = Indicates that the animal lacks a permanent identification.

Elbow Dysplasia
Example:  IS-EL500F36-PI

IS = Breed Code, in this case an Icelandic Sheepdog

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 Icelandic Sheepdog to be given an elbow number

F = Sex

36 = The age in months when the testing was done, in this case 36 months

PI = Indicates that the animal has been permanently identified in the form of tattoo or microchip.
NOPI = Indicates that the animal lacks a permanent identification.

Cardiac
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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.  
NOPI = Indicates that the animal lacks a permanent identification.

Thyroid
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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.  
NOPI = Indicates that the animal lacks a permanent identification.

Deafness
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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.  
NOPI = Indicates that the animal lacks a permanent identification.

Patellar Luxation
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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.  
NOPI = Indicates that the animal lacks a permanent identification.

Sebaceous Adenitis
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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.
NOPI = Indicates that the animal lacks a permanent identification.

Legg-Calve-Perthes
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 - Indicates that the animal has been permanently identified in the form of tattoo or microchip.  
NOPI = Indicates that the animal lacks a permanent identification.

DNA
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 = Indicates that the animal has been permanently identified in the form of tattoo or microchip.  
NOPI = Indicates that the animal lacks a permanent identification.

BP = By Parentage

CAR = Carrier