S63.221 – Subluxation of unspecified interphalangeal joint of left index finger
ICD-10-CM 2027 diagnosis code · Injuries to the wrist, hand and fingers
- Code
S63.221(claims format:S63221)- Description
- Subluxation of unspecified interphalangeal joint of left index finger
- Short description
- Subluxation of unsp interphalangeal joint of l idx fngr
- 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
- S60-S69 Injuries to the wrist, hand and fingers
- Parent codes
- S63 › S63.2 › S63.22
Billable codes under S63.221
S63.221 is a header code and cannot be used on claims. Choose the most specific code:
- S63.221A – Subluxation of unspecified interphalangeal joint of left index finger, initial encounterBillable
- S63.221D – Subluxation of unspecified interphalangeal joint of left index finger, subsequent encounterBillable
- S63.221S – Subluxation of unspecified interphalangeal joint of left index finger, sequelaBillable
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.
S63 – Dislocation and sprain of joints and ligaments at wrist and hand level
- avulsion of joint or ligament at wrist and hand level
- laceration of cartilage, joint or ligament at wrist and hand level
- sprain of cartilage, joint or ligament at wrist and hand level
- traumatic hemarthrosis of joint or ligament at wrist and hand level
- traumatic rupture of joint or ligament at wrist and hand level
- traumatic subluxation of joint or ligament at wrist and hand level
- traumatic tear of joint or ligament at wrist and hand level
- strain of muscle, fascia and tendon of wrist and hand (S66.-)
- any associated open wound
- The appropriate 7th character is to be added to each code from category S63
S63.2 – Subluxation and dislocation of other finger(s)
- subluxation and dislocation of thumb (S63.1-)
Block S60-S69
Related codes in S63.22
- S63.220 – Subluxation of unspecified interphalangeal joint of right index fingerHeader
- S63.222 – Subluxation of unspecified interphalangeal joint of right middle fingerHeader
- S63.223 – Subluxation of unspecified interphalangeal joint of left middle fingerHeader
- S63.224 – Subluxation of unspecified interphalangeal joint of right ring fingerHeader
- S63.225 – Subluxation of unspecified interphalangeal joint of left ring fingerHeader
- S63.226 – Subluxation of unspecified interphalangeal joint of right little fingerHeader
- S63.227 – Subluxation of unspecified interphalangeal joint of left little fingerHeader
- S63.228 – Subluxation of unspecified interphalangeal joint of other fingerHeader
- S63.229 – Subluxation of unspecified interphalangeal joint of unspecified fingerHeader
Frequently asked questions
What is ICD-10 code S63.221?
S63.221 is the ICD-10-CM code for subluxation of unspecified interphalangeal joint of left index finger, in the block S60-S69 (Injuries to the wrist, hand and fingers).
Is S63.221 a billable code?
No. S63.221 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S63.221 belong to?
It belongs to category S63 – Dislocation and sprain of joints and ligaments at wrist and hand level.
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.