ICDcodes.org
FY2027

B43Chromomycosis and pheomycotic abscess

Not billable

Is B43 billable?

No — B43 is a non-billable header code. B43 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 5 billable codes beneath B43.

B43 at a glance

CodeB43
DescriptionChromomycosis and pheomycotic abscess
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Use additional code — inherited from Chapter 1

Report an additional code alongside B43 to fully describe the condition. B43 is sequenced first.

  • code to identify resistance to antimicrobial drugs (Z16.-)

Excludes2 — not included here — inherited from Chapter 1

The conditions below are not part of B43, but a patient may have both at the same time. When documentation supports it, B43 and the excluded code may both be reported.

  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Excludes2 — not included here — inherited from B35-B49

The conditions below are not part of B43, but a patient may have both at the same time. When documentation supports it, B43 and the excluded code may both be reported.

  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)

What codes fall under B43? (5)

How long has B43 existed?

B43 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.