ICD-10-CM External Cause Index · FY 2026 61 Entries
Complication of or following in the External Cause Index ICD-10-CM
The main term Complication (delayed) of or following (medical or surgical procedure) carries 61 external cause index entries pointing to 19 ICD-10-CM codes. The default entry is Y84.9, the code the bare main term maps to; every indented line below refines the event by vehicle, object, place, or intent. External cause codes are reported after the injury code; verify the 7th character on the code page.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
61
Index Entries
19
Codes Referenced
Y84.9
Default Code
C
Letter
61 of 61 shown
ICD-10-CM
Index Entries Under Complication of or following 61 entries · 19 codes
Complication (delayed) of or following (medical or surgical procedure) Y84.9
with misadventure see Misadventure
amputation of limb (s) Y83.5
anastomosis (arteriovenous) (blood vessel) (gastrojejunal) (tendon) (natural or artificial material) Y83.2
aspiration (of fluid) Y84.4
tissue Y84.8
biopsy Y84.8
blood
sampling Y84.7
transfusion
procedure Y84.8
bypass Y83.2
catheterization (urinary) Y84.6
cardiac Y84.0
colostomy Y83.3
cystostomy Y83.3
dialysis (kidney) Y84.1
drug see Table of Drugs and Chemicals
due to misadventure see Misadventure
duodenostomy Y83.3
electroshock therapy Y84.3
external stoma, creation of Y83.3
formation of external stoma Y83.3
gastrostomy Y83.3
graft Y83.2
hypothermia (medically-induced) Y84.8
implant, implantation (of)
artificial
internal device (cardiac pacemaker) (electrodes in brain) (heart valve prosthesis) (orthopedic) Y83.1
material or tissue (for anastomosis or bypass) Y83.2
with creation of external stoma Y83.3
natural tissues (for anastomosis or bypass) Y83.2
with creation of external stoma Y83.3
infusion
procedure Y84.8
injection see Table of Drugs and Chemicals
procedure Y84.8
insertion of gastric or duodenal sound Y84.5
insulin-shock therapy Y84.3
paracentesis (abdominal) (thoracic) (aspirative) Y84.4
procedures other than surgical operation see Complication of or following, by type of procedure
radiological procedure or therapy Y84.2
removal of organ (partial) (total) NEC Y83.6
sampling
blood Y84.7
fluid NEC Y84.4
tissue Y84.8
shock therapy Y84.3
surgical operation NEC Y83.9 see also Complication of or following, by type of operation
reconstructive NEC Y83.4
with
anastomosis, bypass or graft Y83.2
formation of external stoma Y83.3
specified NEC Y83.8
transfusion see also Table of Drugs and Chemicals
procedure Y84.8
transplant, transplantation (heart) (kidney) (liver) (whole organ, any) Y83.0
partial organ Y83.4
ureterostomy Y83.3
vaccination see also Table of Drugs and Chemicals
procedure Y84.8
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM External Cause of Injuries Index release files, effective October 1, 2025 through September 30, 2026.
