S00.449A External constriction of unspecified ear, initial encounter
Instructional Notes:
S00.449A Description: External constriction of unspecified ear, initial encounter ↓
S00.449 Description: External constriction of unspecified ear ↓
S00.44 Description: External constriction of ear ↓
S00.4 Description: Superficial injury of ear ↓
S00 Description: Superficial injury of head Exclude1:
diffuse cerebral contusion (S06.2-)
focal cerebral contusion (S06.3-)
injury of eye and orbit (S05.-)
open wound of head (S01.-)
↓
S00-S09 Description: Injuries to the head (S00-S09) Exclude2:
burns and corrosions (T20-T32)
effects of foreign body in ear (T16)
effects of foreign body in larynx (T17.3)
effects of foreign body in mouth NOS (T18.0)
effects of foreign body in nose (T17.0-T17.1)
effects of foreign body in pharynx (T17.2)
effects of foreign body on external eye (T15.-)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)
Include:
injuries of ear
injuries of eye
injuries of face [any part]
injuries of gum
injuries of jaw
injuries of oral cavity
injuries of palate
injuries of periocular area
injuries of scalp
injuries of temporomandibular joint area
injuries of tongue
injuries of tooth
Code Also: ['for any associated infection'] ↓
S00-T88 Description: Injury, poisoning and certain other consequences of external causes Exclude2:
birth trauma (P10-P15)
obstetric trauma (O70-O71)
Notes:
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Use Additional Code:
code to identify any retained foreign body, if applicable (Z18.-)