

Other Operations On Middle And Inner Ear
- A child code below 20 with greater detail should be used.


Myringotomy
- A child code below 20.0 with greater detail should be used.

Myringotomy With Insertion Of Tube
- 20.01 is a specific code and is valid to identify a procedure.

Other Myringotomy
- 20.09 is a specific code and is valid to identify a procedure.

Removal Of Tympanostomy Tube
- 20.1 is a specific code and is valid to identify a procedure.


Incision Of Mastoid And Middle Ear
- A child code below 20.2 with greater detail should be used.

Incision Of Mastoid
- 20.21 is a specific code and is valid to identify a procedure.

Incision Of Petrous Pyramid Air Cells
- 20.22 is a specific code and is valid to identify a procedure.

Incision Of Middle Ear
- 20.23 is a specific code and is valid to identify a procedure.


Diagnostic Procedures On Middle And Inner Ear
- A child code below 20.3 with greater detail should be used.

Electrocochleography
- 20.31 is a specific code and is valid to identify a procedure.

Biopsy Of Middle And Inner Ear
- 20.32 is a specific code and is valid to identify a procedure.

Other Diagnostic Procedures On Middle And Inner Ear
- 20.39 is a specific code and is valid to identify a procedure.


Mastoidectomy
- A child code below 20.4 with greater detail should be used.

Simple Mastoidectomy
- 20.41 is a specific code and is valid to identify a procedure.

Radical Mastoidectomy
- 20.42 is a specific code and is valid to identify a procedure.

Other Mastoidectomy
- 20.49 is a specific code and is valid to identify a procedure.


Other Excision Of Middle Ear
- A child code below 20.5 with greater detail should be used.

Excision Of Lesion Of Middle Ear
- 20.51 is a specific code and is valid to identify a procedure.

Other
- 20.59 is a specific code and is valid to identify a procedure.


Fenestration Of Inner Ear
- A child code below 20.6 with greater detail should be used.

Fenestration Of Inner Ear (Initial)
- 20.61 is a specific code and is valid to identify a procedure.

Revision Of Fenestration Of Inner Ear
- 20.62 is a specific code and is valid to identify a procedure.


Incision, Excision, And Destruction Of Inner Ear
- A child code below 20.7 with greater detail should be used.

Endolymphatic Shunt
- 20.71 is a specific code and is valid to identify a procedure.

Injection Into Inner Ear
- 20.72 is a specific code and is valid to identify a procedure.

Other Incision, Excision And Destruction Of Inner Ear
- 20.79 is a specific code and is valid to identify a procedure.

Operations On Eustachian Tube
- 20.8 is a specific code and is valid to identify a procedure.


Other Operations On Inner And Middle Ear
- A child code below 20.9 with greater detail should be used.

Tympanosympathectomy
- 20.91 is a specific code and is valid to identify a procedure.

Revision Of Mastoidectomy
- 20.92 is a specific code and is valid to identify a procedure.

Repair Of Oval And Round Windows
- 20.93 is a specific code and is valid to identify a procedure.

Injection Of Tympanum
- 20.94 is a specific code and is valid to identify a procedure.

Implantation Of Electromagnetic Bearing Device
- 20.95 is a specific code and is valid to identify a procedure.

Implantation Or Replacement Of Cochlear Prosthetic Device, Not Otherwise Specified
- 20.96 is a specific code and is valid to identify a procedure.

Implantation Or Replacement Of Cochlear Prosthetic Device, Single Channel
- 20.97 is a specific code and is valid to identify a procedure.

Implantation Or Replacement Of Cochlear Prosthetic Device, Multiple Channel
- 20.98 is a specific code and is valid to identify a procedure.

Other Operations On Middle And Inner Ear
- 20.99 is a specific code and is valid to identify a procedure.