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
  • S00.94

    External constriction of unspecified part of head

  • S00.94XA

    External constriction of unspecified part of head, initial encounter

  • S00.94XD

    External constriction of unspecified part of head, subsequent encounter

  • S00.94XS

    External constriction of unspecified part of head, sequela

  • S00.95

    Superficial foreign body of unspecified part of head

  • S00.95XA

    Superficial foreign body of unspecified part of head, initial encounter

  • S00.95XD

    Superficial foreign body of unspecified part of head, subsequent encounter

  • S00.95XS

    Superficial foreign body of unspecified part of head, sequela

  • S00.96

    Insect bite (nonvenomous) of unspecified part of head

  • S00.96XA

    Insect bite (nonvenomous) of unspecified part of head, initial encounter

  • S00.96XD

    Insect bite (nonvenomous) of unspecified part of head, subsequent encounter

  • S00.96XS

    Insect bite (nonvenomous) of unspecified part of head, sequela

  • S00.97

    Other superficial bite of unspecified part of head

  • S00.97XA

    Other superficial bite of unspecified part of head, initial encounter

  • S00.97XD

    Other superficial bite of unspecified part of head, subsequent encounter

  • S00.97XS

    Other superficial bite of unspecified part of head, sequela

  • S01

    Open wound of head

  • S01.0

    Open wound of scalp

  • S01.00

    Unspecified open wound of scalp

  • S01.00XA

    Unspecified open wound of scalp, initial encounter

  • S01.00XD

    Unspecified open wound of scalp, subsequent encounter

  • S01.00XS

    Unspecified open wound of scalp, sequela

  • S01.01

    Laceration without foreign body of scalp

  • S01.01XA

    Laceration without foreign body of scalp, initial encounter

  • S01.01XD

    Laceration without foreign body of scalp, subsequent encounter

  • S01.01XS

    Laceration without foreign body of scalp, sequela

  • S01.02

    Laceration with foreign body of scalp

  • S01.02XA

    Laceration with foreign body of scalp, initial encounter

  • S01.02XD

    Laceration with foreign body of scalp, subsequent encounter

  • S01.02XS

    Laceration with foreign body of scalp, sequela

  • S01.03

    Puncture wound without foreign body of scalp

  • S01.03XA

    Puncture wound without foreign body of scalp, initial encounter

  • S01.03XD

    Puncture wound without foreign body of scalp, subsequent encounter

  • S01.03XS

    Puncture wound without foreign body of scalp, sequela

  • S01.04

    Puncture wound with foreign body of scalp

  • S01.04XA

    Puncture wound with foreign body of scalp, initial encounter

  • S01.04XD

    Puncture wound with foreign body of scalp, subsequent encounter

  • S01.04XS

    Puncture wound with foreign body of scalp, sequela

  • S01.05

    Open bite of scalp

  • S01.05XA

    Open bite of scalp, initial encounter

  • S01.05XD

    Open bite of scalp, subsequent encounter

  • S01.05XS

    Open bite of scalp, sequela

  • S01.1

    Open wound of eyelid and periocular area

  • S01.10

    Unspecified open wound of eyelid and periocular area

  • S01.101

    Unspecified open wound of right eyelid and periocular area

  • S01.101A

    Unspecified open wound of right eyelid and periocular area, initial encounter

  • S01.101D

    Unspecified open wound of right eyelid and periocular area, subsequent encounter

  • S01.101S

    Unspecified open wound of right eyelid and periocular area, sequela

  • S01.102

    Unspecified open wound of left eyelid and periocular area

  • S01.102A

    Unspecified open wound of left eyelid and periocular area, initial encounter

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