S02.831B Fracture of medial orbital wall, right side, initial encounter for open fracture

Billable ICD-10-CM code, FY2026.

Built from S02.831 with 7th character B (initial encounter for open fracture).

Applies from S02 Fracture of skull and facial bones

Code also

• any associated intracranial injury (S06.-)

7th character note

• The appropriate 7th character is to be added to each code from category S02

Notes

• A fracture not indicated as open or closed should be coded to closed

7th character required

• A — initial encounter for closed fracture
• B — initial encounter for open fracture
• D — subsequent encounter for fracture with routine healing
• G — subsequent encounter for fracture with delayed healing
• K — subsequent encounter for fracture with nonunion
• S — sequela

Applies from S02.8 Fractures of other specified skull and facial bones

Applicable to

• Fracture of palate

Excludes2 (not included here)

• fracture of orbital floor (S02.3-)
• fracture of orbital roof (S02.12-)

Applies from S02.83 Fracture of medial orbital wall

Excludes2 (not included here)

• orbital floor (S02.3-)
• orbital roof (S02.12-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 399 — Major Head Injury without Loss of Consciousness
• CMS-HCC V22: HCC 167 — Major Head Injury
• ESRD V24: HCC 167

Code annotations containing back-references to S02.831B

Back-references to S02.83

• Type 2 Excludes: S02.1 Fracture of base of skull ("medial orbital wall (S02.83-)")
• Type 2 Excludes: S02.3 Fracture of orbital floor ("medial orbital wall (S02.83-)")
• Type 1 Excludes: S02.85 Fracture of orbit, unspecified ("medial orbital wall (S02.83-)")

Back-references to S02.8

• Type 2 Excludes: S05 Injury of eye and orbit ("orbital bone fracture (S02.1-, S02.3-, S02.8-)")

Back-references to S02

• 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: R40.2 Coma ("fracture of skull (S02.-)")
• Type 1 Excludes: S01 Open wound of head ("open skull fracture (S02.- with 7th character B)")
• Code Also: S04 Injury of cranial nerve ("skull fracture (S02.-)")
• Code Also: S06 Intracranial injury ("skull fracture (S02.-)")
• Use Additional: S07 Crushing injury of head ("skull fractures (S02.-)")

Nearby codes

• S02.82XK Fracture of other specified skull and facial bones, left side, subsequent encounter for fracture with nonunion
• S02.82XS Fracture of other specified skull and facial bones, left side, sequela
• S02.83 Fracture of medial orbital wall
• S02.831 Fracture of medial orbital wall, right side
• S02.831A Fracture of medial orbital wall, right side, initial encounter for closed fracture
• S02.831B Fracture of medial orbital wall, right side, initial encounter for open fracture (this code)
• S02.831D Fracture of medial orbital wall, right side, subsequent encounter for fracture with routine healing
• S02.831G Fracture of medial orbital wall, right side, subsequent encounter for fracture with delayed healing
• S02.831K Fracture of medial orbital wall, right side, subsequent encounter for fracture with nonunion
• S02.831S Fracture of medial orbital wall, right side, sequela
• S02.832 Fracture of medial orbital wall, left side