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S33.10

Subluxation and dislocation of unspecified lumbar vertebra

Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 4 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 13 never code together
S33.1code
Excludes2
  • fracture of lumbar vertebrae (S32.0-)S32.0-
S33code
Excludes1
  • nontraumatic rupture or displacement of lumbar intervertebral disc NOS (M51.-)M51.-
  • obstetric damage to pelvic joints and ligaments (O71.6)O71.6
Excludes2
  • dislocation and sprain of joints and ligaments of hip (S73.-)S73.-
  • strain of muscle of lower back and pelvis (S39.01-)S39.01-
S30-S39block
Excludes2
  • burns and corrosions (T20-T32)T20-T32
  • effects of foreign body in anus and rectum (T18.5)T18.5
  • effects of foreign body in genitourinary tract (T19.-)T19.-
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)T18.2-T18.4
  • frostbite (T33-T34)T33-T34
  • insect bite or sting, venomous (T63.4)T63.4
S00-T88chapter
Excludes2

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 20
S33code
Includes
  • 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
Code also
  • any associated open wound
S33.1code
Code also
  • any associated:
  • open wound of abdomen, lower back and pelvis (S31)S31
  • spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)S24.0S24.1-S34.0-S34.1-
S30-S39block
Includes
  • 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
S00-T88chapter
Notes
  • 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.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 4 same parent — S33.1
S33.11 Subluxation and dislocation of L1/L2 lumbar vertebra category S33.12 Subluxation and dislocation of L2/L3 lumbar vertebra category S33.13 Subluxation and dislocation of L3/L4 lumbar vertebra category S33.14 Subluxation and dislocation of L4/L5 lumbar vertebra category
Subordinate codes 2
S33.100 Subluxation of unspecified lumbar vertebra S33.101 Dislocation of unspecified lumbar vertebra
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
S33.1
Block
S30-S39
Siblings
4
Subordinate
2

Present FY2024–FY2027.