T61.91XD
✓ BillableToxic effect of unspecified seafood, accidental (unintentional), subsequent encounter
Injury, poisoning and certain other consequences of external causes (S00-T88)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • allergic reaction to food, such as:
- • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- • bacterial foodborne intoxications (A05.-)
- • dermatitis (L23.6, L25.4, L27.2)
- • food protein-induced enterocolitis syndrome (K52.21)
- • food protein-induced enteropathy (K52.22)
- • gastroenteritis (noninfective) (K52.29)
- • toxic effect of aflatoxin and other mycotoxins (T64)
- • toxic effect of cyanides (T65.0-)
- • toxic effect of harmful algae bloom (T65.82-)
- • toxic effect of hydrogen cyanide (T57.3-)
- • toxic effect of mercury (T56.1-)
- • toxic effect of red tide (T65.82-)
Clinical Description
ICD-10-CM code T61.91XD represents toxic effect of unspecified seafood, accidental (unintentional), subsequent encounter. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that T61.91XD has 13 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code T61.91XD?
ICD-10-CM code T61.91XD is "Toxic effect of unspecified seafood, accidental (unintentional), subsequent encounter". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is T61.91XD a billable ICD-10 code?
Yes, T61.91XD is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with T61.91XD?
T61.91XD has 13 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in T61.91
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)