Instruction Source: S00.421A
Blister (nonthermal) of right ear, initial encounter
Instruction Source: S00.421
Blister (nonthermal) of right ear
Instruction Source: S00.42
Blister (nonthermal) of ear
Instruction Source: S00.4
Superficial injury of ear
Instruction Source: S00
Superficial injury of head
Excludes 1 (Mutually Exclusive)
- diffuse cerebral contusion (S06.2-)
- focal cerebral contusion (S06.3-)
- injury of eye and orbit (S05.-)
- open wound of head (S01.-)
Instruction Source: S00-S09
Injuries to the head (S00-S09)
Excludes 2 (Not Included Here)
- 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)
Inclusion Terms
- 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
Instruction Source: S00-T88
Injury, poisoning and certain other consequences of external causes
Excludes 2 (Not Included Here)
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Clinical 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