Glaucoma:
• Two codes to identify type & stage.
• Identify the external cause, if applicable, of the eye condition.

General Documentation:

• Specific disorder/disease and external cause, when applicable
• Laterality (right, left, bilateral)

Cataract, document:

• Type:
  –  Age-related
  –  Traumatic
  –  Complicated o  Drug-induced o  Other

Glaucoma, document:

• Type:
  –  Suspect
  –  Open-angle
  –  Primary angle-closure
  –  Secondary due to (specify:  trauma, inflammation, drugs)
• Stage:
  –  Mild
  –  Moderate
  –  Severe
  –  Indeterminate (cannot be clinically determined)

Moved from Nervous System chapter in ICD-9-CM to its own chapter in ICD-10-CM.
Glaucoma type & stage combined into one code.

General Documentation:

• Specific disorder/disease
• Laterality (right, left, bilateral)

Otitis media, document:

• Acute or chronic
• Suppurative or nonsuppurative

Perforation tympanic membrane, document:

• Type:
  – Central
  – Attic
  – Other marginal
  – Multiple
  – Total

Hearing loss (deafness), document:

• Type:
  – Conductive
  – Sensorineural
  – Mixed
  – Other

Moved from Nervous System chapter in ICD-9-CM to its own chapter in ICD-10-CM.