M25.552

Pain in left hip

Pain in the left hip (M25.552) refers to localized discomfort, aching, or soreness originating from the acetabulofemoral joint or the surrounding musculoskeletal structures of the left hip. The hip is a complex ball-and-socket joint designed to bear body weight and provide a wide range of motion. Pain in this region can be intra-articular (originating within the joint capsule, such as the labrum or femoral head) or extra-articular (originating from bursae, tendons, or muscles). Clinical presentation varies based on etiology, often involving mechanical dysfunction or inflammatory processes. Understanding the specific location of the pain—whether groin-based, lateral, or posterior—is crucial for differential diagnosis. Chronic left hip pain is frequently associated with degenerative joint disease, while acute presentations often stem from soft tissue injuries or inflammatory flares.

Clinical Symptoms

  • Localized pain in the left groin area
  • Lateral hip pain over the greater trochanter
  • Deep aching within the hip joint
  • Stiffness, particularly after waking or prolonged inactivity
  • Reduced range of motion during internal or external rotation
  • Antalgic gait (limping to avoid weight-bearing on the left side)
  • Clicking, snapping, or catching sensations (locking)
  • Pain that radiates down the left thigh toward the knee
  • Difficulty climbing stairs or putting on shoes/socks
  • Tenderness to palpation over the hip joint or surrounding tendons

Common Causes

  • Osteoarthritis of the left hip (degenerative joint disease)
  • Hip labral tear (damage to the cartilage ring of the acetabulum)
  • Trochanteric bursitis (inflammation of the bursa on the lateral hip)
  • Femoroacetabular impingement (FAI)
  • Iliopsoas or gluteal tendinopathy/tendonitis
  • Avascular necrosis (osteonecrosis) of the left femoral head
  • Inflammatory arthritis, such as rheumatoid or psoriatic arthritis
  • Synovitis (inflammation of the synovial membrane)
  • Muscle strain involving the hip flexors or adductors
  • Referred pain from the lumbar spine (e.g., L4-L5 radiculopathy)

Documentation & Coding Tips

Explicitly document laterality and specific location within the hip region to justify the use of M25.552 versus more generalized joint pain codes.

Example: Chief Complaint: Left hip pain. History: 62-year-old male with persistent ache in the left lateral hip for 3 months, worsening with weight-bearing. Physical Exam: Palpable tenderness over the left greater trochanteric region. Assessment: Chronic left hip pain. Management: Prescribed Meloxicam for symptomatic relief of chronic inflammation. Billing Focus: Code M25.552 requires the Left side to be specified. Risk Adjustment: Chronic pain status impacts the hierarchical condition category (HCC) if linked to a qualifying systemic underlying etiology.

Billing Focus: Laterality (left) must be documented in the assessment and plan to support M25.552.

Describe the character and duration of the pain to differentiate between acute injury and chronic degenerative processes.

Example: Clinical Note: Patient reports sharp left hip pain following a fall yesterday. Severity 7/10. No history of osteoarthritis. Exam shows limited internal rotation of the left hip. Billing Focus: Differentiate acute pain (episode of care) from chronic conditions. Risk Adjustment: Acute injury documentation requires the use of external cause codes and seventh character extensions (e.g., A for initial encounter) if applicable, though M25.552 is a symptom code.

Billing Focus: Document the onset (acute vs. chronic) to clarify the episode of care.

Include associated functional limitations such as gait disturbances or difficulty with activities of daily living (ADLs).

Example: Subjective: Patient reports left hip pain that limits walking to one block. Objective: Antalgic gait noted on the left side. Hip flexion limited to 90 degrees due to pain. Assessment: M25.552 Pain in left hip with associated gait abnormality (R26.2). Plan: Refer to Physical Therapy. Billing Focus: Linking pain to functional deficits (like R26.2) provides a more complete clinical picture for medical necessity of physical therapy. Risk Adjustment: Gait abnormalities and functional decline are significant markers for frailty in risk adjustment models.

Billing Focus: Identify secondary codes for gait or mobility issues to support medical necessity for ancillary services.

Verify and document if the pain is primary to the hip joint or referred from the lumbar spine.

Example: Assessment: Left hip pain. Clinical exam shows negative Straight Leg Raise, but positive Faber test on the left, suggesting intra-articular pathology rather than lumbar radiculopathy. Billing Focus: Coding the specific site (hip) rather than a general back pain code. Risk Adjustment: Accurate anatomical localization prevents 'upcoding' or 'mis-coding' of neurological conditions when the issue is orthopedic.

Billing Focus: Anatomical specificity distinguishes between M25.552 and M54.50 (Low back pain).

Document the presence of any mechanical symptoms like clicking, catching, or locking of the joint.

Example: History: Patient complains of a clicking sensation in the left hip during ambulation, accompanied by pain. Assessment: Left hip pain (M25.552) with suspected labral tear. Billing Focus: Mechanical symptoms provide justification for advanced imaging (CPT 73721). Risk Adjustment: Identifying mechanical symptoms helps classify the condition's severity and potential surgical necessity.

Billing Focus: Clinical signs like locking or clicking support the need for higher-level diagnostic procedures.

Relevant CPT Codes

Related Diagnoses

Hierarchy