T88.7
Billable codeUnspecified adverse effect of drug or medicament
The ICD-10 code for unspecified adverse effect of drug or medicament is T88.7.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Drug hypersensitivity NOS
- Drug reaction NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- T88.0Infection following immunization
- T88.1Other complications following immunization, not elsewhere classified
- T88.2Shock due to anesthesia
- T88.3Malignant hyperthermia due to anesthesia
- T88.4Failed or difficult intubation
- T88.5Other complications of anesthesianon-billable header
- T88.6Anaphylactic reaction due to adverse effect of correct drug or medicament properly administered
- T88.8Other specified complications of surgical and medical care, not elsewhere classified
- T88.9Complication of surgical and medical care, unspecified
- T88.7Unspecified adverse effect of drug or medicament