S00.56
Insect bite (nonvenomous) of lip and oral cavity
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 15 never code together
S00code
S00-S09block
Excludes2
- burns and corrosions (T20-T32)T20-T32
- effects of foreign body in ear (T16)T16
- effects of foreign body in larynx (T17.3)T17.3
- effects of foreign body in mouth NOS (T18.0)T18.0
- effects of foreign body in nose (T17.0-T17.1)T17.0-T17.1
- effects of foreign body in pharynx (T17.2)T17.2
- effects of foreign body on external eye (T15.-)T15.-
- frostbite (T33-T34)T33-T34
- insect bite or sting, venomous (T63.4)T63.4
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 16
S00-S09block
Includes
- 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-T88chapter
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
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 7 same parent — S00.5
S00.50 Unspecified superficial injury of lip and oral cavity category S00.51 Abrasion of lip and oral cavity category S00.52 Blister (nonthermal) of lip and oral cavity category S00.53 Contusion of lip and oral cavity category S00.54 External constriction of lip and oral cavity category S00.55 Superficial foreign body of lip and oral cavity category S00.57 Other superficial bite of lip and oral cavity category
Subordinate codes 2
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.