Alphabetic Index FY2027

S43.01

Anterior subluxation and dislocation of humerus

FY2027Chapter 19: Injury, poisoning and certain other consequences of external causes/S40–S49 Injuries to the shoulder and upper arm

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

S43.01 is a non-billable ICD-10-CM code header for anterior subluxation and dislocation of humerus. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are S43.011 Anterior subluxation of right humerus, S43.012 Anterior subluxation of left humerus, S43.013 Anterior subluxation of unspecified humerus, S43.014 Anterior dislocation of right humerus and 2 more. Its coding notes include a Use additional code instruction, a Code also instruction and 7 Excludes2 entries.

7th characters

Every code below needs one of these (defined at S43).

The appropriate 7th character is to be added to each code from category S43

  • Ainitial encounter
  • Dsubsequent encounter
  • Ssequela

Guidelines tips

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

The 7th character depends on whether the patient is in active treatment, not on who sees the patient. An aftercare Z code is not used for injury aftercare.

Guidelines I.C.19.aInjuries: application of 7th charactersRead the official text

Each injury gets its own code unless a combination code exists, with the most serious injury first. Superficial injuries at the same site as a more severe injury are not coded. Injuries during medical care are coded as complications.

Guidelines I.C.19.bCoding of injuriesRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • code to identify any retained foreign body, if applicable (Z18.-)

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

Inherited from S43 Dislocation and sprain of joints and ligaments of shoulder girdle
  • any associated open wound

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from S43 Dislocation and sprain of joints and ligaments of shoulder girdle
  • strain of muscle, fascia and tendon of shoulder and upper arm (S46.-)
Also from chapter/block level (6 notes)
Inherited from S40–S49 Injuries to the shoulder and upper arm
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Includes

Further defines or gives examples of the content of the category.

Inherited from S43 Dislocation and sprain of joints and ligaments of shoulder girdle
  • avulsion of joint or ligament of shoulder girdle
  • laceration of cartilage, joint or ligament of shoulder girdle
  • sprain of cartilage, joint or ligament of shoulder girdle
  • traumatic hemarthrosis of joint or ligament of shoulder girdle
  • traumatic rupture of joint or ligament of shoulder girdle
  • traumatic subluxation of joint or ligament of shoulder girdle
  • traumatic tear of joint or ligament of shoulder girdle
Also from chapter/block level (2 notes)
Inherited from S40–S49 Injuries to the shoulder and upper arm
  • injuries of axilla
  • injuries of scapular region

Notes

Also from chapter/block level (2 notes)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 2 entries

More specific codes under S43.01 6