 2008 ICD-9-CM Procedure 18.21
- Excision of preauricular sinus
- 18.21 is a specific code that can be used to specify a procedure
- 18.21 contains 3 index entries
- View the full ICD-9-CM Volume 3 18.* hierarchy
18.21 also known as:- Radical excision of preauricular sinus or cyst
18.21 excludes: - excision of preauricular remnant [appendage] (18.29)
Index entries containing 18.21:- Excision
- lesion (local)
- preauricular (ear)
 18.21
- preauricular
- cyst, fistula, or sinus (congenital) 18.21
- sinus -- see also Excision, lesion, by site
- preauricular (ear) (radical) 18.21
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