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S33.5 – Sprain of Lumbar Spine and Pelvis
S33.5 is the ICD-10 code for a sprain or strain of the lumbar spine and pelvis. It affects ligaments, tendons, and muscles in the lower back region.
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S33.5 is the ICD-10 code for a sprain or strain of the lumbar spine and pelvis. It affects ligaments, tendons, and muscles in the lower back region.
What Does the Diagnosis S33.5 Mean?
The ICD-10 code S33.5 refers to a sprain or strain of the lumbar spine and pelvis. This is an injury to the ligaments, tendons, or muscles in the lower back and pelvic region, without any broken bones. Such injuries are commonly caused by sudden movements, accidents, or overexertion.
Causes
A sprain or strain in the lumbar and pelvic region can be triggered by various events:
- Sudden lifting of heavy objects with incorrect posture
- Falls or accidents (e.g., road traffic accidents, sports injuries)
- Abrupt twisting movements of the spine
- Overuse due to repetitive movements (e.g., during physical activity)
- Direct impact to the lower back or pelvis
Symptoms
Typical symptoms associated with S33.5 include:
- Pain in the lower back, worsening with movement
- Muscle tension and stiffness in the lumbar and pelvic area
- Reduced range of motion of the spine
- Tenderness on palpation of the affected structures
- Occasional radiating pain into the buttocks or thighs (without typical nerve root compression)
Diagnosis
The diagnosis S33.5 is typically made clinically. The physician takes a thorough medical history and performs a physical examination to assess mobility, tenderness, and neurological signs.
Imaging Procedures
To rule out fractures or other structural injuries, the following investigations may be used:
- X-ray of the lumbar spine and pelvis
- Magnetic Resonance Imaging (MRI) if ligament or disc damage is suspected
- Computed Tomography (CT) for unclear findings
Treatment
Treatment of a lumbar and pelvic sprain or strain depends on the severity of the injury:
Conservative Treatment
- Rest and relief during the acute phase (short-term immobilization)
- Ice application to the affected area within the first 24 to 48 hours
- Pain management with non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or diclofenac
- Physiotherapy for mobilization and muscle strengthening
- Heat application after the acute inflammatory phase has subsided
Rehabilitation
After the acute phase, targeted core muscle training is recommended, along with back school programs to prevent recurrent injuries.
Prognosis
Most sprains and strains of the lumbar spine and pelvis heal completely within a few days to weeks with appropriate treatment. Severe or recurring injuries should be evaluated by a specialist to prevent chronic complaints.
References
- World Health Organization (WHO): International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10) – Code S33.5, 2019.
- National Institute for Health and Care Excellence (NICE): Low Back Pain and Sciatica in Over 16s – Assessment and Management. NICE Guideline NG59, 2016 (updated 2020).
- Bogduk N.: Clinical and Radiological Anatomy of the Lumbar Spine – Churchill Livingstone, 5th Edition 2012.
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