T37.2 — Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa
Is T37.2 billable?
No — T37.2 is a non-billable header code. T37.2 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 18 billable codes beneath T37.2.
Billable codes under this header
- T37.2X1APoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), initial encounter
- T37.2X1DPoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), subsequent encounter
- T37.2X1SPoisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequela
- T37.2X2APoisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, initial encounter
- T37.2X2DPoisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, subsequent encounter
- T37.2X2SPoisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, sequela
- T37.2X3APoisoning by antimalarials and drugs acting on other blood protozoa, assault, initial encounter
- T37.2X3DPoisoning by antimalarials and drugs acting on other blood protozoa, assault, subsequent encounter
- T37.2X3SPoisoning by antimalarials and drugs acting on other blood protozoa, assault, sequela
- T37.2X4APoisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounter
- T37.2X4DPoisoning by antimalarials and drugs acting on other blood protozoa, undetermined, subsequent encounter
- T37.2X4SPoisoning by antimalarials and drugs acting on other blood protozoa, undetermined, sequela
- T37.2X5AAdverse effect of antimalarials and drugs acting on other blood protozoa, initial encounter
- T37.2X5DAdverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounter
- T37.2X5SAdverse effect of antimalarials and drugs acting on other blood protozoa, sequela
- T37.2X6AUnderdosing of antimalarials and drugs acting on other blood protozoa, initial encounter
- T37.2X6DUnderdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounter
- T37.2X6SUnderdosing of antimalarials and drugs acting on other blood protozoa, sequela
T37.2 at a glance
| Code | T37.2 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with T37.2 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- hydroxyquinoline derivatives (T37.8-)
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T37.2 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 T37.2 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 T37.2. T37.2 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T37.2 to fully describe the condition. T37.2 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 T37.2 to fully describe the condition. T37.2 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T37.2, but a patient may have both at the same time. When documentation supports it, T37.2 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T37.2, but a patient may have both at the same time. When documentation supports it, T37.2 and the excluded code may both be reported.
What codes fall under T37.2? (1)
How long has T37.2 existed?
T37.2 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.
What other codes are in the T37 family? (7)
- T37.0Poisoning by, adverse effect of and underdosing of sulfonamidesnot billable
- T37.1Poisoning by, adverse effect of and underdosing of antimycobacterial drugsnot billable
- T37.3Poisoning by, adverse effect of and underdosing of other antiprotozoal drugsnot billable
- T37.4Poisoning by, adverse effect of and underdosing of anthelminthicsnot billable
- T37.5Poisoning by, adverse effect of and underdosing of antiviral drugsnot billable
- T37.8Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasiticsnot billable
- T37.9Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasiticsnot billable