Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
Internal Codes
  • S02.400A

    Malar fracture, unspecified side, initial encounter for closed fracture

  • S02.400B

    Malar fracture, unspecified side, initial encounter for open fracture

  • S02.400D

    Malar fracture, unspecified side, subsequent encounter for fracture with routine healing

  • S02.400G

    Malar fracture, unspecified side, subsequent encounter for fracture with delayed healing

  • S02.400K

    Malar fracture, unspecified side, subsequent encounter for fracture with nonunion

  • S02.400S

    Malar fracture, unspecified side, sequela

  • S02.401

    Maxillary fracture, unspecified side

  • S02.401A

    Maxillary fracture, unspecified side, initial encounter for closed fracture

  • S02.401B

    Maxillary fracture, unspecified side, initial encounter for open fracture

  • S02.401D

    Maxillary fracture, unspecified side, subsequent encounter for fracture with routine healing

  • S02.401G

    Maxillary fracture, unspecified side, subsequent encounter for fracture with delayed healing

  • S02.401K

    Maxillary fracture, unspecified side, subsequent encounter for fracture with nonunion

  • S02.401S

    Maxillary fracture, unspecified side, sequela

  • S02.402

    Zygomatic fracture, unspecified side

  • S02.402A

    Zygomatic fracture, unspecified side, initial encounter for closed fracture

  • S02.402B

    Zygomatic fracture, unspecified side, initial encounter for open fracture

  • S02.402D

    Zygomatic fracture, unspecified side, subsequent encounter for fracture with routine healing

  • S02.402G

    Zygomatic fracture, unspecified side, subsequent encounter for fracture with delayed healing

  • S02.402K

    Zygomatic fracture, unspecified side, subsequent encounter for fracture with nonunion

  • S02.402S

    Zygomatic fracture, unspecified side, sequela

  • S02.40A

    Malar fracture, right side

  • S02.40AA

    Malar fracture, right side, initial encounter for closed fracture

  • S02.40AB

    Malar fracture, right side, initial encounter for open fracture

  • S02.40AD

    Malar fracture, right side, subsequent encounter for fracture with routine healing

  • S02.40AG

    Malar fracture, right side, subsequent encounter for fracture with delayed healing

  • S02.40AK

    Malar fracture, right side, subsequent encounter for fracture with nonunion

  • S02.40AS

    Malar fracture, right side, sequela

  • S02.40B

    Malar fracture, left side

  • S02.40BA

    Malar fracture, left side, initial encounter for closed fracture

  • S02.40BB

    Malar fracture, left side, initial encounter for open fracture

  • S02.40BD

    Malar fracture, left side, subsequent encounter for fracture with routine healing

  • S02.40BG

    Malar fracture, left side, subsequent encounter for fracture with delayed healing

  • S02.40BK

    Malar fracture, left side, subsequent encounter for fracture with nonunion

  • S02.40BS

    Malar fracture, left side, sequela

  • S02.40C

    Maxillary fracture, right side

  • S02.40CA

    Maxillary fracture, right side, initial encounter for closed fracture

  • S02.40CB

    Maxillary fracture, right side, initial encounter for open fracture

  • S02.40CD

    Maxillary fracture, right side, subsequent encounter for fracture with routine healing

  • S02.40CG

    Maxillary fracture, right side, subsequent encounter for fracture with delayed healing

  • S02.40CK

    Maxillary fracture, right side, subsequent encounter for fracture with nonunion

  • S02.40CS

    Maxillary fracture, right side, sequela

  • S02.40D

    Maxillary fracture, left side

  • S02.40DA

    Maxillary fracture, left side, initial encounter for closed fracture

  • S02.40DB

    Maxillary fracture, left side, initial encounter for open fracture

  • S02.40DD

    Maxillary fracture, left side, subsequent encounter for fracture with routine healing

  • S02.40DG

    Maxillary fracture, left side, subsequent encounter for fracture with delayed healing

  • S02.40DK

    Maxillary fracture, left side, subsequent encounter for fracture with nonunion

  • S02.40DS

    Maxillary fracture, left side, sequela

  • S02.40E

    Zygomatic fracture, right side

  • S02.40EA

    Zygomatic fracture, right side, initial encounter for closed fracture

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