Guidelines for ATC classification and DDD assignment - WHOCC

Combination packages of calcium and bisphosphonates are classified in
M05BB.
Combinations with fluoride are classified in A12CD.
A12B POTASSIUM
A12BA Potassium
This group comprises preparations used as potassium supplements.
This group comprises also all combined potassium preparations used in
the treatment of potassium deficiency conditions.
Small non-therapeutic amounts of potassium hydrogencarbonate are
allowed at each level of plain potassium salts.
Potassium, combinations with other drugs, are classified at separate 5th
levels using the corresponding 50-series.
Diuretics and potassium in combination, see C03 - Diuretics.
See also B05 - Blood substitutes and perfusion solutions.
The DDDs are based on treatment of potassium deficiency and
correspond to a potassium content of about 40 mmol potassium.
A12C OTHER MINERAL SUPPLEMENTS
A12CA Sodium
A12CB Zinc
This group comprises other minerals.
See also B05 - Blood substitutes and perfusion solutions.
The DDD has been set to 1 g NaCl.
The DDD is based on treatment of zinc deficiency.
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