T81.1 – Postprocedural shock

ICD-10-CM 2027 diagnosis code · Complications of surgical and medical care, not elsewhere classified

Non-billable header

ICD-10-CM code T81.1

Code: T81.1 (claims format: T811)
Description: Postprocedural shock
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: T80-T88 Complications of surgical and medical care, not elsewhere classified
Parent codes: T81

Billable codes under T81.1

T81.1 is a header code and cannot be used on claims. Choose the most specific code:

T81.10 – Postprocedural shock unspecifiedHeader (more codes below)
T81.11 – Postprocedural cardiogenic shockHeader (more codes below)
T81.12 – Postprocedural septic shockHeader (more codes below)
T81.19 – Other postprocedural shockHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes for T81.1

Applicable to:

Shock during or resulting from a procedure, not elsewhere classified

Excludes1 (not coded here):

anaphylactic shock NOS (T78.2)
anaphylactic shock due to correct substance properly administered (T88.6)
anaphylactic shock due to serum (T80.5-)
electric shock (T75.4)
obstetric shock (O75.1)
shock due to anesthesia (T88.2)
shock following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
traumatic shock (T79.4)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

T81 – Complications of procedures, not elsewhere classified

Excludes2 (not included here):

complications following immunization (T88.0-T88.1)
complications following infusion, transfusion and therapeutic injection (T80.-)
complications of transplanted organs and tissue (T86.-)
specified complications classified elsewhere, such as:
complication of prosthetic devices, implants and grafts (T82-T85)
dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
endosseous dental implant failure (M27.6-)
floppy iris syndrome (IFIS) (intraoperative) H21.81
intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)
ostomy complications (J95.0-, K94.-, N99.5-)
plateau iris syndrome (post-iridectomy) (postprocedural) H21.82
poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

7th character note:

The appropriate 7th character is to be added to each code from category T81

Block T80-T88

Excludes2 (not included here):

any encounters with medical care for postprocedural conditions in which no complications are present, such as:
artificial opening status (Z93.-)
closure of external stoma (Z43.-)
fitting and adjustment of external prosthetic device (Z44.-)
burns and corrosions from local applications and irradiation (T20-T32)
complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)
mechanical complication of respirator [ventilator] (J95.850)
poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4 or 6)
postprocedural fever (R50.82)
specified complications classified elsewhere, such as:
cerebrospinal fluid leak from spinal puncture (G97.0)
colostomy malfunction (K94.0-)
disorders of fluid and electrolyte imbalance (E86-E87)
functional disturbances following cardiac surgery (I97.0-I97.1)
intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
ostomy complications (J95.0-, K94.-, N99.5-)
postgastric surgery syndromes (K91.1)
postlaminectomy syndrome NEC (M96.1)
postmastectomy lymphedema syndrome (I97.2)
postsurgical blind-loop syndrome (K91.2)
ventilator associated pneumonia (J95.851)

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
code(s) to identify the specified condition resulting from the complication
code to identify devices involved and details of circumstances (Y62-Y82)

Related codes in T81

Frequently asked questions

What is ICD-10 code T81.1?

T81.1 is the ICD-10-CM code for postprocedural shock, in the block T80-T88 (Complications of surgical and medical care, not elsewhere classified).

Is T81.1 a billable code?

No. T81.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does T81.1 belong to?

It belongs to category T81 – Complications of procedures, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.