Left Lower Quadrant Pain (LLQ Pain) diagnosis, clinical documentation, and medical coding information for healthcare professionals. Explore differential diagnoses, ICD-10 codes (like R10.31, R10.82), SNOMED CT concepts, and common symptoms associated with LLQ pain including diverticulitis, constipation, ovarian cysts, and inguinal hernia. Find resources for accurate abdominal pain documentation and best practices for medical coding and billing.
Also known as
Symptoms and signs involving abdomen and pelvis
Covers abdominal and pelvic pain, including left lower quadrant pain.
Diseases of esophagus, stomach and duodenum
Conditions like gastritis or ulcers can sometimes cause referred left lower quadrant pain.
Inflammatory diseases of female pelvic organs
Conditions like salpingitis or oophoritis can cause left lower quadrant pain.
Other diseases of intestines
Diverticular disease or other intestinal issues can cause left lower quadrant pain.
Follow this step-by-step guide to choose the correct ICD-10 code.
Is the LLQ pain related to the digestive system?
When to use each related code
| Description |
|---|
| Left Lower Quadrant Pain |
| Diverticulitis |
| Constipation |
Coding R10.31 (Left lower quadrant pain) without sufficient documentation to support a more specific diagnosis leads to inaccurate severity and reimbursement.
Coding K57.30 (Diverticulitis of large intestine, without perforation or abscess) without confirming diagnostic criteria may trigger audits and denials. Requires imaging or procedural proof.
LLQ pain in females may be due to N83.20 (Ovarian cyst, unspecified). Misdiagnosis or missing documentation can impact quality metrics and gynecological coding accuracy.
Patient presents with chief complaint of left lower quadrant pain (LLQ pain). Onset of pain was [duration] and is described as [quality of pain: sharp, dull, cramping, aching, constant, intermittent]. Pain severity is [scale of 1-10 or mild, moderate, severe] and is [aggravated/alleviated] by [factors such as movement, eating, bowel movements]. Associated symptoms include [e.g., nausea, vomiting, diarrhea, constipation, fever, chills, urinary symptoms]. Patient denies [relevant negatives such as trauma, bloody stools, weight loss]. Past medical history includes [relevant medical history, e.g., diverticulitis, irritable bowel syndrome, inflammatory bowel disease]. Surgical history includes [relevant surgical history]. Medications include [list current medications]. Allergies include [list allergies]. Physical examination reveals [tenderness/rebound tenderness/guarding in LLQ, bowel sounds present/absent/hyperactive/hypoactive]. Vital signs: temperature [temperature], heart rate [heart rate], blood pressure [blood pressure], respiratory rate [respiratory rate], oxygen saturation [oxygen saturation]. Differential diagnosis includes diverticulitis, irritable bowel syndrome, constipation, ovarian cyst, ectopic pregnancy, ureteral calculus, inguinal hernia, abdominal wall strain. Plan includes [laboratory tests such as CBC, urinalysis, pregnancy test if applicable; imaging studies such as abdominal X-ray, CT abdomen/pelvis, ultrasound; medications for pain and symptom management; consultation with [specialist if necessary]; patient education on self-care and follow-up]. Patient advised to return to clinic if symptoms worsen or new symptoms develop.