T61.93XA — Toxic effect of unspecified seafood, assault, initial encounter
Is T61.93XA billable?
Yes, but T61.93XA is an unspecified code. T61.93XA is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T61.93XA is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T61.93XA — the more specific alternatives are listed below.
More specific alternatives
- T61.01XACiguatera fish poisoning, accidental (unintentional), initial encounter
- T61.11XAScombroid fish poisoning, accidental (unintentional), initial encounter
- T61.771AOther fish poisoning, accidental (unintentional), initial encounter
- T61.8X1AToxic effect of other seafood, accidental (unintentional), initial encounter
T61.93XA at a glance
| Code | T61.93XA |
|---|---|
| Description | Toxic effect of unspecified seafood, assault, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in T61.93XA?
In T61.93XA, the 7th character A means initial encounter. The 7th character is required for T61.93XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T61.93XA group to?
T61.93XA sits in MDC 21 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 917Poisoning and Toxic Effects of Drugs with MCCmedical
- 918Poisoning and Toxic Effects of Drugs without MCCmedical
How is T61.93XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T61.9, the nearest indexed parent of T61.93XA. Use them to find the family, then select the specific code.
- Poisoning › fish (acute)
- Poisoning › seafood (acute)
Excludes1 — never code together — inherited from T51-T65
The conditions below can never be reported together with T61.93XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- contact with and (suspected) exposure to toxic substances (Z77.-)
Excludes1 — never code together — inherited from T61
The conditions below can never be reported together with T61.93XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- 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-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T61.93XA to fully describe the condition. T61.93XA is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T51-T65
Report an additional code alongside T61.93XA to fully describe the condition. T61.93XA is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T61.93XA, but a patient may have both at the same time. When documentation supports it, T61.93XA and the excluded code may both be reported.
How long has T61.93XA existed?
T61.93XA has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.