S00.84 – External constriction of other part of head
ICD-10-CM 2027 diagnosis code · Injuries to the head
- Code
S00.84(claims format:S0084)- Description
- External constriction of other part of head
- 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 › S00.8
Billable codes under S00.84
S00.84 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 (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
- The appropriate 7th character is to be added to each code from category S00
S00.8 – Superficial injury of other parts of head
- Superficial injuries of face [any part]
Block S00-S09
- 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
- 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)
- for any associated infection
Index terms for S00.84
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Constriction, external, jaw
- Constriction, external, brow
- Constriction, external, chin
- Constriction, external, face
- Constriction, external, cheek
- Constriction, external, temple
- Constriction, external, forehead
- Constriction, external, malar region
- Constriction, external, supraorbital
- Constriction, external, mastoid region
- Constriction, external, temporal region
- Constriction, external, submental region
- Constriction, external, submaxillary region
- Constriction, external, head, specified site NEC
Related codes in S00.8
- S00.80 – Unspecified superficial injury of other part of headHeader
- S00.81 – Abrasion of other part of headHeader
- S00.82 – Blister (nonthermal) of other part of headHeader
- S00.83 – Contusion of other part of headHeader
- S00.85 – Superficial foreign body of other part of headHeader
- S00.86 – Insect bite (nonvenomous) of other part of headHeader
- S00.87 – Other superficial bite of other part of headHeader
Frequently asked questions
What is ICD-10 code S00.84?
S00.84 is the ICD-10-CM code for external constriction of other part of head, in the block S00-S09 (Injuries to the head).
Is S00.84 a billable code?
No. S00.84 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S00.84 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.