T37.2X6 — Underdosing of antimalarials and drugs acting on other blood protozoa
Is T37.2X6 billable?
No — T37.2X6 is a non-billable header code. T37.2X6 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 3 billable codes beneath T37.2X6.
Billable codes under this header
T37.2X6 at a glance
| Code | T37.2X6 |
|---|---|
| Description | 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 — inherited from T36-T50
The conditions below can never be reported together with T37.2X6 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 T37.2X6 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from T37.2
The conditions below can never be reported together with T37.2X6 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-)
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T37.2X6. T37.2X6 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T37.2X6 to fully describe the condition. T37.2X6 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 T37.2X6 to fully describe the condition. T37.2X6 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T37.2X6, but a patient may have both at the same time. When documentation supports it, T37.2X6 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T37.2X6, but a patient may have both at the same time. When documentation supports it, T37.2X6 and the excluded code may both be reported.
What codes fall under T37.2X6? (3)
How long has T37.2X6 existed?
T37.2X6 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 T37.2X family? (5)
- T37.2X1Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional)not billable
- T37.2X2Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harmnot billable
- T37.2X3Poisoning by antimalarials and drugs acting on other blood protozoa, assaultnot billable
- T37.2X4Poisoning by antimalarials and drugs acting on other blood protozoa, undeterminednot billable
- T37.2X5Adverse effect of antimalarials and drugs acting on other blood protozoanot billable