APPENDIX A – List of all category codes and respective categories
(revised 3/4/2021)

Refer to: http://www.sefmd.org – Reports – Judging Sign Up Statistics to get the number of projects in each category

ELEMENTARY DIVISION (E)

P1	Physical Science, Individual	L1	Life Science, Individual
P2	Physical Science, Team	L2	Life Science, Team

JUNIOR DIVISION (J)

AS	Animal Science	ME	Medicine & Health
BS	Behavioral and Social Science	PH	Physics and Astronomy
BY	Biology (include Biochem, Cellular, Micro	PS	Plant Science
CH	Chemistry	RE	Renewable Energy
EA	Earth & Environmental Science	TM	Team (all categories)
EN	Engineering	TR	Technology and Robotics
MA	Mathematics

SENIOR DIVISION (S)

AS	Animal Science	EV	Environmental Engineering
BE	Biomedical Engineering	EY	Energy
BI	BioChemistry	MA	Mathematics
BM	BioMedical	MI	Microbiology
BS	Behavioral & Social Sciences	MS	Material Science
CB	Computational Biology & Bioinformatics	PH	Physics & Astronomy
CE	Cellular & Molecular Biology	PS	Plant Science
CH	Chemistry	RO	Robotics & Intelligent Machines
EA	Earth & Environmental Sciences	SO	Systems Software
EB	Embedded Systems	TS	Translational Medical Science
EM	Engineering Mechanics

COMBINED CATEGORY CODE (Judges that have one of the following codes will judge all the related fields)

C10	E-L1, E-L2, E-P1, E-P2	C25	S-BE, S-EM
C20	J-MA, S-MA	C26	S-TS, S-BM
C21	S-MI, S-BI	C27	J-RE, S-EY
C22	J-AS, S-AS	C28	S-EA, S-EV
C23	S-RO, S-SO, S-EB	C29	S-CE, S-CB
C24	S-MS, S-CH	C-30	S-PS, J-PS

SESSION 2, WEDNESDAY CATEGORY CODES

LS = Life Science

PS = Physical Science