Guidelines for ATC classification and DDD assignment - WHOCC

A12CC Magnesium
A12CD Fluoride
A12CE Selenium
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The DDDs for the various magnesium salts are equivalent to an
assumed daily requirement of 300 mg Mg (oral dose). The DDD
for some of the oral formulations are higher than the parenteral
formulations due to lower bioavailability.
This group comprises preparations used e.g. in the treatment of
osteoporosis. Fluoride used in caries prophylaxis, see A01AA - Caries
prophylatic agents.
Bisphosphonates are classified in M05B.
Calcitonin is classified in H05BA.
Calcium preparations are classified in A12A.
Combinations with calcium are classified here.
The DDD is based on treatment of osteoporosis.
The DDDs are based on treatment of selenium deficiency and is
expressed as amount of selenium (Se).
A12CX Other mineral products
A13 TONICS
A13A TONICS
This group comprises preparations used as tonics etc., if preparations do
not fill the requirements to be classified as iron preparations, vitamin
preparations etc.
All mixtures classified in this group are given a fixed DDD
(30 ml = 6 UD).