ICDcodes.org
FY2027

T24.592SCorrosion of first degree of multiple sites of left lower limb, except ankle and foot, sequela

Billable

Is T24.592S billable?

Yes — T24.592S is billable for FY2027. T24.592S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T24.592S may be submitted for encounters from October 1, 2026 through September 30, 2027.

T24.592S at a glance

CodeT24.592S
DescriptionCorrosion of first degree of multiple sites of left lower limb, except ankle and foot, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in T24.592S?

In T24.592S, the 7th character S means sequela. The 7th character is required for T24.592S to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does T24.592S group to?

T24.592S sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
  • 605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical

How is T24.592S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T24.592, the nearest indexed parent of T24.592S. Use them to find the family, then select the specific code.

  • Corrosionlowerlimbmultiple sites, except ankle and footleftfirst degree (injury) (acid) (caustic) (chemical) (lime) (external) (internal)

Code first — inherited from T24.5

The underlying condition below must be sequenced before T24.592S. T24.592S describes a manifestation and cannot be the principal or first-listed diagnosis.

  • (T51-T65) to identify chemical and intent

Use additional code — inherited from Chapter 19

Report an additional code alongside T24.592S to fully describe the condition. T24.592S is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Use additional code — inherited from T20-T25

Report an additional code alongside T24.592S to fully describe the condition. T24.592S is sequenced first.

  • code from category T31 or T32 to identify extent of body surface involved

Use additional code — inherited from T24.5

Report an additional code alongside T24.592S to fully describe the condition. T24.592S is sequenced first.

  • external cause code to identify place (Y92)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T24.592S, but a patient may have both at the same time. When documentation supports it, T24.592S and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T24

The conditions below are not part of T24.592S, but a patient may have both at the same time. When documentation supports it, T24.592S and the excluded code may both be reported.

  • burn and corrosion of ankle and foot (T25.-)
  • burn and corrosion of hip region (T21.-)

How long has T24.592S existed?

T24.592S has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.