Use Additional Code Notes in Chapter 8: Diseases of the ear and mastoid process ICD-10-CM
A Use Additional Code note means a second code should be added, after this one, to fully describe the condition. In Chapter 8 (H60-H95), notes printed in the chapter name other codes 21 times, and Use Additional Code Notes anywhere in the Tabular List name the chapter’s codes 14 times, covering 4 distinct codes, categories and ranges. Switch views to read the list either way.
Use Additional Code Notes by the code that carries the note
- code for any associated perforated tympanic membrane (H72.-)
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- infectious agent (B95-B97)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
- code for any associated perforated tympanic membrane (H72.-)
- code for any associated perforated tympanic membrane (H72.-)
- code for any associated perforated tympanic membrane (H72.-)
- code for any associated perforated tympanic membrane (H72.-)
- code for any associated perforated tympanic membrane (H72.-)
- code for any associated perforated tympanic membrane (H72.-)
- E88.02 Plasminogen deficiency: otitis media (H67.-)
- H65 Nonsuppurative otitis media: code for any associated perforated tympanic membrane (H72.-)
- H66.1 Chronic tubotympanic suppurative otitis media: code for any associated perforated tympanic membrane (H72.-)
- H66.2 Chronic atticoantral suppurative otitis media: code for any associated perforated tympanic membrane (H72.-)
- H66.3 Other chronic suppurative otitis media: code for any associated perforated tympanic membrane (H72.-)
- H66.4 Suppurative otitis media, unspecified: code for any associated perforated tympanic membrane (H72.-)
- H66.9 Otitis media, unspecified: code for any associated perforated tympanic membrane (H72.-)
- H67 Otitis media in diseases classified elsewhere: code for any associated perforated tympanic membrane (H72.-)
- J10.83 Influenza due to other identified influenza virus with otitis media: code for any associated perforated tympanic membrane (H72.-)
- J11.83 Influenza due to unidentified influenza virus with otitis media: code for any associated perforated tympanic membrane (H72.-)
The first view lists notes printed in this chapter (a note on a category or block applies to every code beneath it). The second lists codes of this chapter named by Use Additional Code Notes anywhere in the Tabular List, including notes in other chapters.
Questions About Use Additional Code Notes
What does a Use Additional Code note mean?
A Use Additional Code note tells you to add a second code, reported after the code that carries the note, to describe the condition completely. In an etiology/manifestation pair it sits at the etiology code and points to the manifestation (Section I.A.13). The FY 2027 Tabular List has 1,491 of them; 1,174 name other codes, with 1,438 references to 389 distinct codes, categories and ranges.
Where does the additional code go?
After the code carrying the note. For etiology/manifestation pairs the Guidelines are explicit: the etiology is sequenced first, followed by the manifestation code.
Related References
Source: FY 2027 ICD-10-CM Tabular List (CMS and NCHS) and the ICD-10-CM Official Guidelines for Coding and Reporting FY 2027, Section I.A. ICD List is not affiliated with CMS or NCHS.