2012 ICD-9-CM Procedure Code 20 
Other Operations On Middle And Inner Ear
- A child code below 20 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.0 Myringotomy
- A child code below 20.0 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.01 Myringotomy With Insertion Of Tube
- 20.01 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.09 Other Myringotomy
- 20.09 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.1 Removal Of Tympanostomy Tube
- 20.1 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.2 Incision Of Mastoid And Middle Ear
- A child code below 20.2 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.21 Incision Of Mastoid
- 20.21 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.22 Incision Of Petrous Pyramid Air Cells
- 20.22 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.23 Incision Of Middle Ear
- 20.23 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.3 Diagnostic Procedures On Middle And Inner Ear
- A child code below 20.3 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.31 Electrocochleography
- 20.31 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.32 Biopsy Of Middle And Inner Ear
- 20.32 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.39 Other Diagnostic Procedures On Middle And Inner Ear
- 20.39 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.4 Mastoidectomy
- A child code below 20.4 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.41 Simple Mastoidectomy
- 20.41 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.42 Radical Mastoidectomy
- 20.42 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.49 Other Mastoidectomy
- 20.49 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.5 Other Excision Of Middle Ear
- A child code below 20.5 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.51 Excision Of Lesion Of Middle Ear
- 20.51 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.59 Other
- 20.59 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.6 Fenestration Of Inner Ear
- A child code below 20.6 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.61 Fenestration Of Inner Ear (Initial)
- 20.61 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.62 Revision Of Fenestration Of Inner Ear
- 20.62 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.7 Incision, Excision, And Destruction Of Inner Ear
- A child code below 20.7 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.71 Endolymphatic Shunt
- 20.71 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.72 Injection Into Inner Ear
- 20.72 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.79 Other Incision, Excision And Destruction Of Inner Ear
- 20.79 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.8 Operations On Eustachian Tube
- 20.8 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.9 Other Operations On Inner And Middle Ear
- A child code below 20.9 with greater detail should be used.
2012 ICD-9-CM Procedure Code 20.91 Tympanosympathectomy
- 20.91 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.92 Revision Of Mastoidectomy
- 20.92 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.93 Repair Of Oval And Round Windows
- 20.93 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.94 Injection Of Tympanum
- 20.94 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.95 Implantation Of Electromagnetic Bearing Device
- 20.95 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.96 Implantation Or Replacement Of Cochlear Prosthetic Device, Not Otherwise Specified
- 20.96 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.97 Implantation Or Replacement Of Cochlear Prosthetic Device, Single Channel
- 20.97 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.98 Implantation Or Replacement Of Cochlear Prosthetic Device, Multiple Channel
- 20.98 is a specific code and is valid to identify a procedure.
2012 ICD-9-CM Procedure Code 20.99 Other Operations On Middle And Inner Ear
- 20.99 is a specific code and is valid to identify a procedure.