ICDcodes.org
FY2027

T37.0X3D — Poisoning by sulfonamides, assault, subsequent encounter

Billable

Is T37.0X3D billable?

Yes — T37.0X3D is billable for FY2027. T37.0X3D is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T37.0X3D may be submitted for encounters from October 1, 2026 through September 30, 2027.

T37.0X3D at a glance

CodeT37.0X3D
DescriptionPoisoning by sulfonamides, assault, subsequent encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "D"subsequent encounter

What does the 7th character "D" mean in T37.0X3D?

In T37.0X3D, the 7th character D means subsequent encounter. The 7th character is required for T37.0X3D to be a valid, complete code.

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

Which MS-DRGs does T37.0X3D group to?

T37.0X3D sits in MDC 23 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.

  • 949Aftercare with CC/MCCmedical
  • 950Aftercare without CC/MCCmedical

Excludes1 — never code together — inherited from T36-T50

The conditions below can never be reported together with T37.0X3D 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 T37.0X3D on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • anti-infectives topically used for ear, nose and throat (T49.6-)
  • anti-infectives topically used for eye (T49.5-)
  • locally applied anti-infectives NEC (T49.0-)

Code first — inherited from T36-T50

The underlying condition below must be sequenced before T37.0X3D. T37.0X3D 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 T37.0X3D to fully describe the condition. T37.0X3D 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 T37.0X3D to fully describe the condition. T37.0X3D 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 T37.0X3D, but a patient may have both at the same time. When documentation supports it, T37.0X3D 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 T37.0X3D, but a patient may have both at the same time. When documentation supports it, T37.0X3D 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 T37.0X3D existed?

T37.0X3D 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.