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T32.30

T32.30Corrosions involving 30-39% of body surface with 0% to 9% third degree corrosion

Billable / specific codeICD-10-CM

T32.30 is a billable, specific ICD-10-CM code for corrosions involving 30-39% of body surface with 0% to 9% third degree corrosion. It is valid for submission on a claim.

Risk adjustment

T32.30 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

T32.30 is named in 9 Medicare coverage policies 7 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56566Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A57067Billing and Coding: Outpatient Physical and Occupational Therapy Servicesnot covered
  • A52438Billing and Coding: Tetanus Immunization
  • A53065Billing and Coding: Outpatient Physical Therapy

How T32.30 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to T32.30.

  • Corrosionextent30-39 percent(0-9 percent third degree)
  • Corrosionunspecified site with extent of body surface involved specified30-39 percent(0-9 percent third degree)

Related codes at this level

Codes that share T32.3. If T32.30 is not quite right, the correct code is usually one of these.

Questions about T32.30

Is T32.30 a billable ICD-10-CM code?
Yes. T32.30 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does T32.30 sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions of multiple and unspecified body regions (T30-T32).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.