ICDcodes.org
FY2027

T44.4X3APoisoning by predominantly alpha-adrenoreceptor agonists, assault, initial encounter

Billable

Is T44.4X3A billable?

Yes — T44.4X3A is billable for FY2027. T44.4X3A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T44.4X3A may be submitted for encounters from October 1, 2026 through September 30, 2027.

T44.4X3A at a glance

CodeT44.4X3A
DescriptionPoisoning by predominantly alpha-adrenoreceptor agonists, assault, initial encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "A"initial encounter

What does the 7th character "A" mean in T44.4X3A?

In T44.4X3A, the 7th character A means initial encounter. The 7th character is required for T44.4X3A to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does T44.4X3A group to?

T44.4X3A 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

Excludes1 — never code together — inherited from T36-T50

The conditions below can never be reported together with T44.4X3A 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-)

Code first — inherited from T36-T50

The underlying condition below must be sequenced before T44.4X3A. T44.4X3A describes a manifestation and cannot be the principal or first-listed diagnosis.

  • , for adverse effects, the nature of the adverse effect, such as:
  • adverse effect NOS (T88.7)
  • aspirin gastritis (K29.-)
  • blood disorders (D56-D76)
  • contact dermatitis (L23-L25)
  • dermatitis due to substances taken internally (L27.-)
  • nephropathy (N14.0-N14.2)

Use additional code — inherited from Chapter 19

Report an additional code alongside T44.4X3A to fully describe the condition. T44.4X3A 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 T44.4X3A to fully describe the condition. T44.4X3A is sequenced first.

  • code(s) to specify:
  • manifestations of poisoning
  • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
  • underdosing of medication regimen (Z91.12-, Z91.13-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T44.4X3A, but a patient may have both at the same time. When documentation supports it, T44.4X3A and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T36-T50

The conditions below are not part of T44.4X3A, but a patient may have both at the same time. When documentation supports it, T44.4X3A and the excluded code may both be reported.

  • abuse and dependence of psychoactive substances (F10-F19)
  • abuse of non-dependence-producing substances (F55.-)
  • immunodeficiency due to drugs (D84.821)
  • drug reaction and poisoning affecting newborn (P00-P96)
  • pathological drug intoxication (inebriation) (F10-F19)

How long has T44.4X3A existed?

T44.4X3A 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.