DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 20

Y83-Y84 Surgical and other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure (Y83-Y84)

Block Y83-Y84 groups 2 categories with 19 billable codes in FY2027.

Where it sits

  1. Chapter 20 External causes of morbidity (V00-Y99)
  2. Y83-Y84 Surgical and other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure (Y83-Y84)

Neighbouring blocks

Categories
2
Billable codes
19
CC codes
0
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in Y83-Y84

  • Y83

    Surgical operation and other surgical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

    –

    • 9 billable codes
  • Y84

    Other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure

    –

    • 10 billable codes

Block instructions

Excludes1

  • misadventures to patients during surgical and medical care, classifiable to (Y62-Y69) Y62 Y69

Excludes2

  • breakdown or malfunctioning of medical device (after implantation) (during procedure) (ongoing use) (Y70-Y82) Y70 Y82

Notes that also apply

Instructions for the group Y62-Y84 (Includes 2): printed on the chapter 20 page.

Chapter 20 instructions (Notes 1): printed on the chapter 20 page.