S99.29 – Other physeal fracture of phalanx of toe

ICD-10-CM 2027 diagnosis code · Injuries to the ankle and foot

Non-billable header

ICD-10-CM code S99.29

Code: S99.29 (claims format: S9929)
Description: Other physeal fracture of phalanx of toe
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: S90-S99 Injuries to the ankle and foot
Parent codes: S99 › S99.2

Billable codes under S99.29

S99.29 is a header code and cannot be used on claims. Choose the most specific code:

S99.291 – Other physeal fracture of phalanx of right toeHeader (more codes below)
S99.292 – Other physeal fracture of phalanx of left toeHeader (more codes below)
S99.299 – Other physeal fracture of phalanx of unspecified toeHeader (more codes below)

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 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
`P`	subsequent encounter for fracture with malunion
`S`	sequela

Notes inherited from parent codes

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

S99.2 – Physeal fracture of phalanx of toe

7th character note:

The appropriate 7th character is to be added to each code from subcategories S99.2

Block S90-S99

Excludes2 (not included here):

burns and corrosions (T20-T32)
fracture of ankle and malleolus (S82.-)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Index terms for S99.29

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

Fracture, traumatic, toe, physeal, phalanx, specified NEC

Related codes in S99.2

Frequently asked questions

What is ICD-10 code S99.29?

S99.29 is the ICD-10-CM code for other physeal fracture of phalanx of toe, in the block S90-S99 (Injuries to the ankle and foot).

Is S99.29 a billable code?

No. S99.29 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S99.29 belong to?

It belongs to category S99 – Other and unspecified injuries of ankle and foot.

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.