T23.309S

Burn of third degree of unspecified hand, unspecified site, sequela

Billable / specificPOA exempt

T23.309S is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from T23)

  • burns and corrosions of first degree [erythema]
  • burns and corrosions of second degree [blisters][epidermal loss]
  • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
  • Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Excludes2

Not included here — may be reported together when both conditions exist.

Use additional code

Add a code to identify the following, if applicable.

  • external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) (from T23.3)
  • code to identify any retained foreign body, if applicable (Z18.-) (from T23)
  • code from category T31 or T32 to identify extent of body surface involved (from T23)

7th character

The 7th character values that apply to this code (defined at T23). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T23.309Burn of third degree of unspecified hand, unspecified siteNeeds 7th char

Related codes

  • T23.309ABurn of third degree of unspecified hand, unspecified site, initial encounterBillable
  • T23.309DBurn of third degree of unspecified hand, unspecified site, subsequent encounterBillable

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