S02.402 – Zygomatic fracture, unspecified side

ICD-10-CM 2027 diagnosis code · Injuries to the head

Non-billable header

ICD-10-CM code S02.402

Code: S02.402 (claims format: S02402)
Description: Zygomatic fracture, unspecified side
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S00-S09 Injuries to the head
Parent codes: S02 › S02.4 › S02.40

Billable codes under S02.402

S02.402 is a header code and cannot be used on claims. Choose the most specific code:

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care.

Character	Meaning
`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

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S02 – Fracture of skull and facial bones

Code also:

any associated intracranial injury (S06.-)

Notes:

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

7th character note:

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

S02.4 – Fracture of malar, maxillary and zygoma bones

Applicable to:

Fracture of superior maxilla
Fracture of upper jaw (bone)
Fracture of zygomatic process of temporal bone

Block S00-S09

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

Excludes2 (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)

Code also:

for any associated infection

Index terms for S02.402

Entries in the ICD-10-CM alphabetic index that lead to this code:

Fracture, traumatic, zygoma

Related codes in S02.40

Frequently asked questions

What is ICD-10 code S02.402?

S02.402 is the ICD-10-CM code for zygomatic fracture, unspecified side, in the block S00-S09 (Injuries to the head).

Is S02.402 a billable code?

No. S02.402 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S02.402 belong to?

It belongs to category S02 – Fracture of skull and facial bones.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.