ATC code A11 Vitamins is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization for the classification of drugs and other medical products. Subgroup A11 is part of the anatomical group A Alimentary tract and metabolism.
Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QA11.
National issues of the ATC classification may include additional codes not present in this list, which follows the World Health Organization version.
A11A Multivitamins, combinations
A11AA Multivitamins with minerals
- A11AA01 Multivitamins and iron
- A11AA02 Multivitamins and calcium
- A11AA03 Multivitamins and other minerals, including combinations
- A11AA04 Multivitamins and trace elements
A11AB Multivitamins, other combinations
A11B Multivitamins, plain
A11BA Multivitamins, plain
A11C Vitamin A and D, including combinations of the two
A11CA Vitamin A, plain
- A11CA01 Retinol (vitamin A)
- A11CA02 Betacarotene
A11CB Vitamin A and D in combination
A11CC Vitamin D and analogues
- A11CC01 Ergocalciferol
- A11CC02 Dihydrotachysterol
- A11CC03 Alfacalcidol
- A11CC04 Calcitriol
- A11CC05 Colecalciferol
- A11CC06 Calcifediol
- A11CC20 Combinations
A11D Vitamin B1, plain and in combination with vitamin B6 and B12
A11DA Vitamin B1, plain
- A11DA01 Thiamine (vitamin B1)
- A11DA02 Sulbutiamine
- A11DA03 Benfotiamine
A11DB Vitamin B1 in combination with vitamin B6 and/or vitamin B12
A11E Vitamin B-complex, including combinations
A11EA Vitamin B-complex, plain
A11EB Vitamin B-complex with vitamin C
A11EC Vitamin B-complex with minerals
A11ED Vitamin B-complex with anabolic steroids
A11EX Vitamin B-complex, other combinations
A11G Ascorbic acid (vitamin C), including combinations
A11GA Ascorbic acid (vitamin C), plain
- A11GA01 Ascorbic acid (vitamin C)
A11GB Ascorbic acid (vitamin C), combinations
- A11GB01 Ascorbic acid (vitamin C) and calcium
A11H Other plain vitamin preparations
A11HA Other plain vitamin preparations
- A11HA01 Nicotinamide
- A11HA02 Pyridoxine (vitamin B6)
- A11HA03 Tocopherol (vitamin E)
- A11HA04 Riboflavin (vitamin B2)
- A11HA05 Biotin
- A11HA06 Pyridoxal phosphate
- A11HA07 Inositol
- A11HA08 Tocofersolan
- A11HA30 Dexpanthenol
- A11HA31 Calcium pantothenate
- A11HA32 Pantethine
A11J Other vitamin products, combinations
A11JA Combinations of vitamins
A11JB Vitamins with minerals
A11JC Vitamins, other combinations