S53.121D – Posterior subluxation of right ulnohumeral joint, subsequent encounter

ICD-10-CM 2027 diagnosis code · Injuries to the elbow and forearm

Billable code

ICD-10-CM code S53.121D

Code: S53.121D (claims format: S53121D)
Description: Posterior subluxation of right ulnohumeral joint, subsequent encounter
Short description: Posterior subluxation of right ulnohumeral joint, subs
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: S50-S59 Injuries to the elbow and forearm
Parent codes: S53 › S53.1 › S53.12 › S53.121

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.

S53 – Dislocation and sprain of joints and ligaments of elbow

Includes:

avulsion of joint or ligament of elbow
laceration of cartilage, joint or ligament of elbow
sprain of cartilage, joint or ligament of elbow
traumatic hemarthrosis of joint or ligament of elbow
traumatic rupture of joint or ligament of elbow
traumatic subluxation of joint or ligament of elbow
traumatic tear of joint or ligament of elbow

Excludes2 (not included here):

strain of muscle, fascia and tendon at forearm level (S56.-)

Code also:

any associated open wound

7th character note:

The appropriate 7th character is to be added to each code from category S53

S53.1 – Subluxation and dislocation of ulnohumeral joint

Applicable to:

Subluxation and dislocation of elbow NOS

Excludes1 (not coded here):

dislocation of radial head alone (S53.0-)

Block S50-S59

Excludes2 (not included here):

burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of wrist and hand (S60-S69)
insect bite or sting, venomous (T63.4)

Related codes in S53.121

Frequently asked questions

What is ICD-10 code S53.121D?

S53.121D is the ICD-10-CM code for posterior subluxation of right ulnohumeral joint, subsequent encounter, in the block S50-S59 (Injuries to the elbow and forearm).

Is S53.121D a billable code?

Yes. S53.121D is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does S53.121D belong to?

It belongs to category S53 – Dislocation and sprain of joints and ligaments of elbow.

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.