T37.94XS — Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequela
Is T37.94XS billable?
Yes, but T37.94XS is an unspecified code. T37.94XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T37.94XS 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 T37.94XS — the more specific alternatives are listed below.
More specific alternatives
- T37.0X1SPoisoning by sulfonamides, accidental (unintentional), sequela
- T37.1X1SPoisoning by antimycobacterial drugs, accidental (unintentional), sequela
- T37.2X1SPoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequela
- T37.3X1SPoisoning by other antiprotozoal drugs, accidental (unintentional), sequela
- T37.4X1SPoisoning by anthelminthics, accidental (unintentional), sequela
- T37.5X1SPoisoning by antiviral drugs, accidental (unintentional), sequela
T37.94XS at a glance
| Code | T37.94XS |
|---|---|
| Description | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in T37.94XS?
In T37.94XS, the 7th character S means sequela. The 7th character is required for T37.94XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T37.94XS group to?
T37.94XS 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.
- 922Other Injury, Poisoning and Toxic Effect Diagnoses with MCCmedical
- 923Other Injury, Poisoning and Toxic Effect Diagnoses without MCCmedical
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T37.94XS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes1 — never code together — inherited from T37
The conditions below can never be reported together with T37.94XS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T37.94XS. T37.94XS describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T37.94XS to fully describe the condition. T37.94XS is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T37.94XS to fully describe the condition. T37.94XS is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T37.94XS, but a patient may have both at the same time. When documentation supports it, T37.94XS and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T37.94XS, but a patient may have both at the same time. When documentation supports it, T37.94XS and the excluded code may both be reported.
How long has T37.94XS existed?
T37.94XS 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.