T49.9
T49.9 — Poisoning by, adverse effect of and underdosing of unspecified topical agent
Non-billable headerICD-10-CM
T49.9 is a non-billable header ICD-10-CM code for poisoning by, adverse effect of and underdosing of unspecified topical agent. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T49
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T49.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead T49.9
6 child codes. Green means billable.
- T49.91Poisoning by unspecified topical agent, accidental (unintentional)
- T49.92Poisoning by unspecified topical agent, intentional self-harm
- T49.93Poisoning by unspecified topical agent, assault
- T49.94Poisoning by unspecified topical agent, undetermined
- T49.95Adverse effect of unspecified topical agent
- T49.96Underdosing of unspecified topical agent
Related codes at this level
Codes that share T49. If T49.9 is not quite right, the correct code is usually one of these.
- T49.0Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugs
- T49.1Poisoning by, adverse effect of and underdosing of antipruritics
- T49.2Poisoning by, adverse effect of and underdosing of local astringents and local detergents
- T49.3Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectants
- T49.4Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations
- T49.5Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparations
- T49.6Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparations
- T49.7Poisoning by, adverse effect of and underdosing of dental drugs, topically applied
- T49.8Poisoning by, adverse effect of and underdosing of other topical agents
Questions about T49.9
- Is T49.9 a billable ICD-10-CM code?
- No. T49.9 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T49.9 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50).