T61.7 is the authoritative medical code for Other fish and shellfish poisoning. This classification is used in medical billing and clinical recording to specify the clinical criteria for other fish and shellfish poisoning (ICD-10-CM T61.7), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Other fish and shellfish poisoning is a non-billable ICD-10-CM category code T61.7. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): 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-; contact with and suspected exposure to toxic substances Z77.-. Use additional code: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents J60-J70; personal history of foreign body fully removed Z87.821; to identify any retained foreign body, if applicable Z18.-. 7th character: The appropriate 7th character is to be added to each code from category T61.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T61.7 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- 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-
- contact with and suspected exposure to toxic substances Z77.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code(s):
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents J60-J70
- personal history of foreign body fully removed Z87.821
- to identify any retained foreign body, if applicable Z18.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can T61.7 be billed directly?
No. T61.7 (Other fish and shellfish poisoning) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does T61.7 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T61.
What can't be coded together with T61.7?
Per Excludes1 instructions, T61.7 must not be reported with: 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).
Is an additional code needed with T61.7?
Use additional code(s) to specify: code(s):; for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70); personal history of foreign body fully removed (Z87.821); to identify any retained foreign body, if applicable (Z18.-).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as T61.7, with their registry titles.
- T61 — Toxic effect of noxious substances eaten as seafood
- T61.0 — Ciguatera fish poisoning
- T61.01 — Ciguatera fish poisoning, accidental (unintentional)
- T61.01A — Ciguatera fish poisoning, accidental (unintentional), initial encounter
- T61.01D — Ciguatera fish poisoning, accidental (unintentional), subsequent encounter
- T61.01S — Ciguatera fish poisoning, accidental (unintentional), sequela
- T61.01XA — Ciguatera fish poisoning, accidental (unintentional), initial encounter
- T61.01XD — Ciguatera fish poisoning, accidental (unintentional), subsequent encounter
- T61.01XS — Ciguatera fish poisoning, accidental (unintentional), sequela
- T61.02 — Ciguatera fish poisoning, intentional self-harm
- T61.02A — Ciguatera fish poisoning, intentional self-harm, initial encounter
- T61.02D — Ciguatera fish poisoning, intentional self-harm, subsequent encounter
- T61.02S — Ciguatera fish poisoning, intentional self-harm, sequela
- T61.02XA — Ciguatera fish poisoning, intentional self-harm, initial encounter
- T61.02XD — Ciguatera fish poisoning, intentional self-harm, subsequent encounter
- T61.02XS — Ciguatera fish poisoning, intentional self-harm, sequela
- T61.03 — Ciguatera fish poisoning, assault
- T61.03A — Ciguatera fish poisoning, assault, initial encounter
- T61.03D — Ciguatera fish poisoning, assault, subsequent encounter
- T61.03S — Ciguatera fish poisoning, assault, sequela
- T61.03XA — Ciguatera fish poisoning, assault, initial encounter
- T61.03XD — Ciguatera fish poisoning, assault, subsequent encounter
- T61.03XS — Ciguatera fish poisoning, assault, sequela
- T61.04 — Ciguatera fish poisoning, undetermined
- T61.04A — Ciguatera fish poisoning, undetermined, initial encounter
- T61.04D — Ciguatera fish poisoning, undetermined, subsequent encounter
- T61.04S — Ciguatera fish poisoning, undetermined, sequela
- T61.04XA — Ciguatera fish poisoning, undetermined, initial encounter
- T61.04XD — Ciguatera fish poisoning, undetermined, subsequent encounter
- T61.04XS — Ciguatera fish poisoning, undetermined, sequela
- T61.1 — Scombroid fish poisoning
- T61.11 — Scombroid fish poisoning, accidental (unintentional)
- T61.11A — Scombroid fish poisoning, accidental (unintentional), initial encounter
- T61.11D — Scombroid fish poisoning, accidental (unintentional), subsequent encounter
- T61.11S — Scombroid fish poisoning, accidental (unintentional), sequela
- T61.11XA — Scombroid fish poisoning, accidental (unintentional), initial encounter
- T61.11XD — Scombroid fish poisoning, accidental (unintentional), subsequent encounter
- T61.11XS — Scombroid fish poisoning, accidental (unintentional), sequela
- T61.12 — Scombroid fish poisoning, intentional self-harm
- T61.12A — Scombroid fish poisoning, intentional self-harm, initial encounter
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: