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

    Superficial injury of head

  • S00.0

    Superficial injury of scalp

  • S00.00

    Unspecified superficial injury of scalp

  • S00.00XA

    Unspecified superficial injury of scalp, initial encounter

  • S00.00XD

    Unspecified superficial injury of scalp, subsequent encounter

  • S00.00XS

    Unspecified superficial injury of scalp, sequela

  • S00.01

    Abrasion of scalp

  • S00.01XA

    Abrasion of scalp, initial encounter

  • S00.01XD

    Abrasion of scalp, subsequent encounter

  • S00.01XS

    Abrasion of scalp, sequela

  • S00.02

    Blister (nonthermal) of scalp

  • S00.02XA

    Blister (nonthermal) of scalp, initial encounter

  • S00.02XD

    Blister (nonthermal) of scalp, subsequent encounter

  • S00.02XS

    Blister (nonthermal) of scalp, sequela

  • S00.03

    Contusion of scalp

  • S00.03XA

    Contusion of scalp, initial encounter

  • S00.03XD

    Contusion of scalp, subsequent encounter

  • S00.03XS

    Contusion of scalp, sequela

  • S00.04

    External constriction of part of scalp

  • S00.04XA

    External constriction of part of scalp, initial encounter

  • S00.04XD

    External constriction of part of scalp, subsequent encounter

  • S00.04XS

    External constriction of part of scalp, sequela

  • S00.05

    Superficial foreign body of scalp

  • S00.05XA

    Superficial foreign body of scalp, initial encounter

  • S00.05XD

    Superficial foreign body of scalp, subsequent encounter

  • S00.05XS

    Superficial foreign body of scalp, sequela

  • S00.06

    Insect bite (nonvenomous) of scalp

  • S00.06XA

    Insect bite (nonvenomous) of scalp, initial encounter

  • S00.06XD

    Insect bite (nonvenomous) of scalp, subsequent encounter

  • S00.06XS

    Insect bite (nonvenomous) of scalp, sequela

  • S00.07

    Other superficial bite of scalp

  • S00.07XA

    Other superficial bite of scalp, initial encounter

  • S00.07XD

    Other superficial bite of scalp, subsequent encounter

  • S00.07XS

    Other superficial bite of scalp, sequela

  • S00.1

    Contusion of eyelid and periocular area

  • S00.10

    Contusion of unspecified eyelid and periocular area

  • S00.10XA

    Contusion of unspecified eyelid and periocular area, initial encounter

  • S00.10XD

    Contusion of unspecified eyelid and periocular area, subsequent encounter

  • S00.10XS

    Contusion of unspecified eyelid and periocular area, sequela

  • S00.11

    Contusion of right eyelid and periocular area

  • S00.11XA

    Contusion of right eyelid and periocular area, initial encounter

  • S00.11XD

    Contusion of right eyelid and periocular area, subsequent encounter

  • S00.11XS

    Contusion of right eyelid and periocular area, sequela

  • S00.12

    Contusion of left eyelid and periocular area

  • S00.12XA

    Contusion of left eyelid and periocular area, initial encounter

  • S00.12XD

    Contusion of left eyelid and periocular area, subsequent encounter

  • S00.12XS

    Contusion of left eyelid and periocular area, sequela

  • S00.2

    Other and unspecified superficial injuries of eyelid and periocular area

  • S00.20

    Unspecified superficial injury of eyelid and periocular area

  • S00.201

    Unspecified superficial injury of right eyelid and periocular area

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