ICDcodes.org
FY2027

T43.691DPoisoning by other psychostimulants, accidental (unintentional), subsequent encounter

Billable

Is T43.691D billable?

Yes — T43.691D is billable for FY2027. T43.691D is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T43.691D may be submitted for encounters from October 1, 2026 through September 30, 2027.

T43.691D at a glance

CodeT43.691D
DescriptionPoisoning by other psychostimulants, accidental (unintentional), 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 T43.691D?

In T43.691D, the 7th character D means subsequent encounter. The 7th character is required for T43.691D to be a valid, complete code.

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

Which MS-DRGs does T43.691D group to?

T43.691D 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

Inclusion terms

Alternative wording in documentation that is classified to T43.691D.

  • Poisoning by other psychostimulants NOS

Excludes1 — never code together — inherited from T36-T50

The conditions below can never be reported together with T43.691D 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 T43.6

The conditions below can never be reported together with T43.691D on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • poisoning by, adverse effect of and underdosing of cocaine (T40.5-)

Code first — inherited from T36-T50

The underlying condition below must be sequenced before T43.691D. T43.691D 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 T43.691D to fully describe the condition. T43.691D 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 T43.691D to fully describe the condition. T43.691D 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 T43.691D, but a patient may have both at the same time. When documentation supports it, T43.691D 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 T43.691D, but a patient may have both at the same time. When documentation supports it, T43.691D 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)

Excludes2 — not included here — inherited from T43

The conditions below are not part of T43.691D, but a patient may have both at the same time. When documentation supports it, T43.691D and the excluded code may both be reported.

  • appetite depressants (T50.5-)
  • barbiturates (T42.3-)
  • benzodiazepines (T42.4-)
  • drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.- -F19.-)
  • methaqualone (T42.6-)
  • psychodysleptics [hallucinogens] (T40.7-T40.9-)

How long has T43.691D existed?

T43.691D 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.