S33.131A
Dislocation of L3/L4 lumbar vertebra, initial encounter
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
avulsion of joint or ligament of lumbar spine and pelvis laceration of cartilage, joint or ligament of lumbar spine and pelvis sprain of cartilage, joint or ligament of lumbar spine and pelvis traumatic hemarthrosis of joint or ligament of lumbar spine and pelvis traumatic rupture of joint or ligament of lumbar spine and pelvis traumatic subluxation of joint or ligament of lumbar spine and pelvis traumatic tear of joint or ligament of lumbar spine and pelvis
nontraumatic rupture or displacement of lumbar intervertebral disc NOS (M51.-) obstetric damage to pelvic joints and ligaments (O71.6)
dislocation and sprain of joints and ligaments of hip (S73.-) strain of muscle of lower back and pelvis (S39.01-)
any associated open wound
The appropriate 7th character is to be added to each code from category S33
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
injuries to the abdominal wall injuries to the anus injuries to the buttock injuries to the external genitalia injuries to the flank injuries to the groin
code to identify any retained foreign body, if applicable (Z18.-)
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. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)
Official Guidelines for S33.131A
FY 2026 ›Subsections
- I.C.19.aApplication of 7th Characters in Chapter 19
- I.C.19.bCoding of Injuries
- I.C.19.cCoding of Traumatic Fractures
- I.C.19.dCoding of Burns and Corrosions
- I.C.19.eAdverse Effects, Poisoning, Underdosing and Toxic Effects
- I.C.19.fAdult and child abuse, neglect and other maltreatment
- I.C.19.gComplications of care
Sections that reference S33.131A
Sections whose FY 2026 text names S33.131A, its S33 category, or a range containing it — the chapter guidance above is the authoritative source.