S00.31 – Abrasion of nose

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

Non-billable header

ICD-10-CM code S00.31

Code: S00.31 (claims format: S0031)
Description: Abrasion of nose
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: S00 › S00.3

Billable codes under S00.31

S00.31 is a header code and cannot be used on claims. Choose the most specific code:

S00.31XA – Abrasion of nose, initial encounterBillable
S00.31XD – Abrasion of nose, subsequent encounterBillable
S00.31XS – Abrasion of nose, sequelaBillable

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

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

S00 – Superficial injury of head

Excludes1 (not coded here):

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

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 S00.31

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

Related codes in S00.3

Frequently asked questions

What is ICD-10 code S00.31?

S00.31 is the ICD-10-CM code for abrasion of nose, in the block S00-S09 (Injuries to the head).

Is S00.31 a billable code?

No. S00.31 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S00.31 belong to?

It belongs to category S00 – Superficial injury of head.

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.