FY2027
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Excludes1 pair

D10.5 vs D14.1

D10.5 and D14.1 are not coded together. ICD-10-CM declares them mutually exclusive with an Excludes1 note — the two conditions are not expected to occur together, so exactly one of them is normally correct for a given encounter. The Official Guidelines carve out one exception: if the two conditions are clearly unrelated to each other, both may be reported.

The official note, declared on D10.5
benign neoplasm of epiglottis NOS (D14.1)
D10.5

Benign neoplasm of other parts of oropharynx

Billable
Chapter 2
Neoplasms
Section
D10-D36
Use when the record says
  • Benign neoplasm of epiglottis, anterior aspect
  • Benign neoplasm of tonsillar fossa
  • Benign neoplasm of tonsillar pillars
  • Benign neoplasm of vallecula
D14.1

Benign neoplasm of larynx

Billable
Chapter 2
Neoplasms
Section
D10-D36
Use when the record says
  • Adenomatous polyp of larynx
  • Benign neoplasm of epiglottis (suprahyoid portion)
Indexed under
  • Polyp, polypus › larynx › adenomatous

Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027