ICD-9 for tonometry (92100)

Good morning,
can anyone tell me what asap ICD-9 goes for 92100, 92120 & 92140?

thank you,
janice

tonometry

Glaucoma diagnosis

92120 what diagnosis

what diagnosis can be used for cpt 92120?

92120 Ocular blood flow velosity

92120 is defined in CPT as "tonography with interpretation and report, recording indentation tonometer method or perilimbal suction method." Rarely done nowadays.
New Category III codes appearing in CPT 2010:
0198T - Use For Measurement of ocular blood flow by repetitive intraocular pressure sampling, with interpretation and report.
List the appropriate ICD-9 code that best supports the medical necessity for the service performed.

92100

Example (365.12).