Coding and coverage · ICD-10-CM

T88 › T88.2

T88.2XXA Shock due to anesthesia, initial encounter

BillableNo payment HCCChapter 19

7th character A: initial encounter

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Instructional notes

Chapter 19

Excludes2Not included here: the patient may have both; report both when both are present.
Use additional codeAdd a second code for the full picture.
  • code to identify any retained foreign body, if applicable (Z18.-)
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

T88

Excludes2Not included here: the patient may have both; report both when both are present.
  • complication following infusion, transfusion and therapeutic injection (T80.-)
  • complication following procedure NEC (T81.-)
  • complications of anesthesia in labor and delivery (O74.-)
  • complications of anesthesia in pregnancy (O29.-)
  • complications of anesthesia in puerperium (O89.-)
  • complications of devices, implants and grafts (T82-T85)
  • complications of obstetric surgery and procedure (O75.4)
  • dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
  • poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
  • specified complications classified elsewhere
7th charactersThe appropriate 7th character is to be added to each code from category T88
  • A initial encounter
  • D subsequent encounter
  • S sequela

T88.2

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • complications of anesthesia (in):
  • labor and delivery (O74.-)
  • pregnancy (O29.-)
  • puerperium (O89.-)
  • postprocedural shock NOS (T81.1-)
Use additional codeAdd a second code for the full picture.
  • code for adverse effect, if applicable, to identify drug (T41.- with fifth or sixth character 5)

Chapter 19: Injury, poisoning and certain other consequences of external causes · T07-T88 Injury, poisoning and certain other consequences of external causes (T07-T88)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.