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B47

B47Mycetoma

Non-billable headerICD-10-CM

B47 is a non-billable header ICD-10-CM code for mycetoma. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with B47

These codes carry an Excludes1 note pointing at B47. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading B47 alone.

  • B48.2Allescheriasis
  • A42Actinomycosis
  • A48Other bacterial diseases, not elsewhere classified

Risk adjustment

B47 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.

Code to one of these instead B47

3 child codes. Green means billable.

Questions about B47

Is B47 a billable ICD-10-CM code?
No. B47 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does B47 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).
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.