S00.531A – Contusion of lip, initial encounter
ICD-10-CM 2027 diagnosis code · Injuries to the head
ICD-10-CM code
S00.531A
- Code
S00.531A(claims format:S00531A)- Description
- Contusion of lip, initial encounter
- Billable
- Yes – valid for HIPAA-covered transactions
- 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 › S00.5 › S00.53 › S00.531
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| 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):
7th character note:
- The appropriate 7th character is to be added to each code from category S00
S00.531 – Contusion of lip
Applicable to:
- Bruise of lip
- Hematoma of lip
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
Related codes in S00.531
Frequently asked questions
What is ICD-10 code S00.531A?
S00.531A is the ICD-10-CM code for contusion of lip, initial encounter, in the block S00-S09 (Injuries to the head).
Is S00.531A a billable code?
Yes. S00.531A is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does S00.531A 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.