ICD-10 CM Code T46.1X4
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T46 Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
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T46.1 Poisoning by, adverse effect of and underdosing of calcium-channel blockers
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T46.1X Poisoning by, adverse effect of and underdosing of calcium-channel blockers
T46.1X4
Poisoning by calcium-channel blockers, undetermined
Excludes Type 1
- poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
7th Character
- The appropriate 7th character is to be added to each code from category T46
- A - initial encounter
- D - subsequent encounter
- S - sequela
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