Index to Diseases and Injuries
Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal)
Index code:T30.4
- abdomen, abdominal (muscle) (wall) →
- above elbow →
- alimentary tract NEC T28.7
- ankle →
- anus — see Corrosion, buttock
- arm (s) (meaning upper limb(s)) — see Corrosion, upper limb
- axilla →
- back (lower) →
- blisters - code as Corrosion, second degree, by site
- breast (s) — see Corrosion, chest wall
- buttock (s) →
- calf →
- canthus (eye) — see Corrosion, eyelid
- cervix T28.8
- cheek →
- chest wall →
- chin →
- colon T28.7
- conjunctiva (and cornea) — see Corrosion, cornea
- cornea (and conjunctiva) T26.6-
- deep necrosis of underlying tissue - code as Corrosion, third degree, by site
- dorsum of hand →
- ear (auricle) (external) (canal) →
- elbow →
- entire body — see Corrosion, multiple body regions
- epidermal loss - code as Corrosion, second degree, by site
- epiglottis T27.4
- erythema, erythematous - code as Corrosion, first degree, by site
- esophagus T28.6
- extent (percentage of body surface) →
- extremity — see Corrosion, limb
- eye (s) and adnexa →
- eyeball — see Corrosion, eye
- eyelid (s) T26.5-
- face — see Corrosion, head
- finger →
- flank — see Corrosion, abdomen
- foot →
- forearm →
- forehead →
- fourth degree - code as Corrosion, third degree, by site
- full thickness skin loss - code as Corrosion, third degree, by site
- gastrointestinal tract NEC T28.7
- genital organs →
- groin — see Corrosion, abdominal wall
- hand (s) →
- head (and face) (and neck) →
- hip (s) — see Corrosion, lower, limb
- inhalation — see Corrosion, respiratory tract
- internal organ (s) →
- interscapular region — see Corrosion, back, upper
- intestine (large) (small) T28.7
- knee →
- labium (majus) (minus) — see Corrosion, genital organs, external, female
- lacrimal apparatus, duct, gland or sac — see Corrosion, eye, specified site NEC
- larynx →
- leg (s) (meaning lower limb(s)) — see Corrosion, lower limb
- limb (s) →
- lip (s) →
- lower →
- lung (with larynx and trachea) T27.5
- mouth T28.5
- neck →
- nose (septum) →
- ocular adnexa — see Corrosion, eye
- orbit region — see Corrosion, eyelid
- palm →
- partial thickness - code as Corrosion, unspecified degree, by site
- pelvis — see Corrosion, trunk
- penis — see Corrosion, genital organs, external, male
- perineum →
- periocular area — see Corrosion, eyelid
- pharynx T28.5
- rectum T28.7
- respiratory tract →
- sac, lacrimal — see Corrosion, eye, specified site NEC
- scalp →
- scapular region →
- sclera — see Corrosion, eye, specified site NEC
- scrotum — see Corrosion, genital organs, external, male
- shoulder →
- stomach T28.7
- temple — see Corrosion, head
- testis — see Corrosion, genital organs, external, male
- thigh →
- thorax (external) — see Corrosion, trunk
- throat (meaning pharynx) T28.5
- thumb (s) →
- toe →
- tongue T28.5
- tonsil (s) T28.5
- total body — see Corrosion, multiple body regions
- trachea →
- trunk →
- unspecified site with extent of body surface involved specified →
- upper limb (axilla) (scapular region) →
- uterus T28.8
- vagina T28.8
- vulva — see Corrosion, genital organs, external, female
- wrist →
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.
Frequently asked questions
What is the ICD-10-CM code for Corrosion?
The ICD-10-CM Alphabetic Index directs "Corrosion" to T30.4. Subterms below it may lead to a more specific code. Always confirm the code in the Tabular List before assigning it.
ICD-10-CM Index to Diseases and Injuries maintained by CDC/NCHS (public domain), from the CMS FY2027 release.