ICD-10-CM › S00-T88 › T36-T50 › T46 Poisoning by, adverse effect of... › T46.1
Poisoning by, adverse effect of and underdosing of calcium-channel blockers
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 1 more specific code instead:
- T46.1X Poisoning by, adverse effect of and underdosing of calcium-channel blockers (also a header)
This code requires a seventh character. See the rule below.
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Poisoning by, adverse effect of and underdosing of calcium-channel blockers
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from T46 Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
Seventh character required
- The appropriate 7th character is to be added to each code from category T46
Excludes1 - never coded here
- poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
Inherited from the T36-T50 section Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Excludes1 - never coded here
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes2 - not included here
- abuse and dependence of psychoactive substances (F10-F19)
- abuse of non-dependence-producing substances (F55.-)
- immunodeficiency due to drugs (D84.821)
- drug reaction and poisoning affecting newborn (P00-P96)
- pathological drug intoxication (inebriation) (F10-F19)
Use additional code
- code(s) to specify:
- manifestations of poisoning
- underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
- underdosing of medication regimen (Z91.12-, Z91.13-)
Code first
- , for adverse effects, the nature of the adverse effect, such as:
- adverse effect NOS (T88.7)
- aspirin gastritis (K29.-)
- blood disorders (D56-D76)
- contact dermatitis (L23-L25)
- dermatitis due to substances taken internally (L27.-)
- nephropathy (N14.0-N14.2)
Includes
- adverse effect of correct substance properly administered
- poisoning by overdose of substance
- poisoning by wrong substance given or taken in error
- underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
Note
- The drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| T46.0 | Poisoning by, adverse effect of and underdosing of cardiac-stimulant glycosides and drugs of similar action | Not billable |
| T46.2 | Poisoning by, adverse effect of and underdosing of other antidysrhythmic drugs, not elsewhere classified | Not billable |
| T46.3 | Poisoning by, adverse effect of and underdosing of coronary vasodilators | Not billable |
| T46.4 | Poisoning by, adverse effect of and underdosing of angiotensin-converting-enzyme inhibitors | Not billable |
| T46.5 | Poisoning by, adverse effect of and underdosing of other antihypertensive drugs | Not billable |
| T46.6 | Poisoning by, adverse effect of and underdosing of antihyperlipidemic and antiarteriosclerotic drugs | Not billable |
| T46.7 | Poisoning by, adverse effect of and underdosing of peripheral vasodilators | Not billable |
| T46.8 | Poisoning by, adverse effect of and underdosing of antivaricose drugs, including sclerosing agents | Not billable |
| T46.9 | Poisoning by, adverse effect of and underdosing of other and unspecified agents primarily affecting the cardiovascular system | Not billable |