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ICD-10/T25.52

T25.52 ICD-10-CM Code: Corrosion of first degree of foot

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Corrosion of first degree of foot is a non-billable ICD-10-CM category code (T25.52). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for T25.52 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • 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]

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Code First

Underlying conditions that must be sequenced before this code.

  • (T51-T65) to identify chemical and intent

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • external cause code to identify place (Y92)
  • Use additional code from category T31 or T32 to identify extent of body surface involved

Change history

No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Referenced by Other Codes

Official ICD-10-CM tabular notes on other codes that name T25.52 or its code family.

1 Excludes2 notes: T24 (via T25.-).

Frequently Asked Questions (FAQ) & Clinical Guidance

Can T25.52 be billed directly?

No. T25.52 (Corrosion of first degree of foot) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does T25.52 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category T25.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T25.52 in its code family, with their registry titles.

  • T25.512S — Corrosion of first degree of left ankle, sequela
  • T25.519 — Corrosion of first degree of unspecified ankle
  • T25.519A — Corrosion of first degree of unspecified ankle, initial encounter
  • T25.519D — Corrosion of first degree of unspecified ankle, subsequent encounter
  • T25.519S — Corrosion of first degree of unspecified ankle, sequela
  • T25.521 — Corrosion of first degree of right foot
  • T25.521A — Corrosion of first degree of right foot, initial encounter
  • T25.521D — Corrosion of first degree of right foot, subsequent encounter
  • T25.521S — Corrosion of first degree of right foot, sequela
  • T25.522 — Corrosion of first degree of left foot

View all codes in the T25 family