`S00.532A` Contusion of oral cavity, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S00.532 with 7th character A (initial encounter).

Applies from S00 Superficial injury of head

Excludes1 (never code together)

diffuse cerebral contusion (S06.2-)
focal cerebral contusion (S06.3-)
injury of eye and orbit (S05.-)
open wound of head (S01.-)

7th character note

The appropriate 7th character is to be added to each code from category S00

7th character required

A — initial encounter
D — subsequent encounter
S — sequela

Applies from S00.532 Contusion of oral cavity

Applicable to

Bruise of oral cavity
Hematoma of oral cavity

Code annotations containing back-references to S00.532A

Back-references to S00

Code Also: G96.00 Cerebrospinal fluid leak, unspecified ("head injury (S00-S09)")
Code Also: G96.08 Other cranial cerebrospinal fluid leak ("head injury (S00 - S09)")
Code Also: G96.09 Other spinal cerebrospinal fluid leak ("head injury (S00 - S09)")
Code First: R65.1 Systemic inflammatory response syndrome (SIRS) of non-infectious origin ("injury and trauma (S00-T88)")

Diagnosis Index entries for S00.532A

Contusion (skin surface intact) › alveolar process
Contusion (skin surface intact) › cheek › internal
Contusion (skin surface intact) › gum
Contusion (skin surface intact) › head › oral cavity
Contusion (skin surface intact) › mouth
Contusion (skin surface intact) › palate
Contusion (skin surface intact) › tongue
Contusion (skin surface intact) › uvula

Nearby codes

S00.531 Contusion of lip
S00.531A Contusion of lip, initial encounter
S00.531D Contusion of lip, subsequent encounter
S00.531S Contusion of lip, sequela
S00.532 Contusion of oral cavity
S00.532A Contusion of oral cavity, initial encounter (this code)
S00.532D Contusion of oral cavity, subsequent encounter
S00.532S Contusion of oral cavity, sequela
S00.54 External constriction of lip and oral cavity
S00.541 External constriction of lip
S00.541A External constriction of lip, initial encounter