2025 ICD-10-CM code M1A.1
(Active) Effective Date: N/A Revision Date: N/A Deletion Date: N/A Musculoskeletal - Arthropathies (M00-M25) Diseases of the musculoskeletal system and connective tissue (M00-M99) Feed
Lead-induced chronic gout, a type of gout caused by chronic lead exposure leading to kidney damage and impaired uric acid excretion.
Medical necessity for diagnosis and treatment of lead-induced chronic gout is established based on the presence of symptoms consistent with gout, elevated blood lead levels, and hyperuricemia.The severity of the condition and potential for joint damage justify treatment interventions such as chelation therapy and medication to manage gout symptoms.
Diagnosis and management of lead-induced chronic gout involves obtaining a thorough patient history (including occupational and environmental lead exposure), performing a physical examination, ordering laboratory tests (blood lead levels, serum uric acid, renal function tests), and potentially imaging studies (X-rays). Treatment may include chelation therapy to remove lead from the body, medication to manage gout symptoms (NSAIDs, corticosteroids, colchicine, xanthine oxidase inhibitors), and supportive care (physical therapy).
- Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Arthropathies (M00-M25); Inflammatory polyarthropathies (M05-M1A)
In simple words: Lead poisoning can cause a type of gout called lead-induced gout or saturnine gout.This happens because lead damages the kidneys, preventing them from removing uric acid from the blood.Too much uric acid causes painful swelling and inflammation in the joints. Doctors diagnose this by checking for lead exposure in the patient's history and doing blood tests and X-rays.
Lead-induced chronic gout, also known as saturnine gout, is a painful inflammatory joint condition resulting from chronic lead exposure.Lead toxicity damages the kidneys, inhibiting their ability to excrete urate.This leads to hyperuricemia (elevated uric acid levels), causing urate crystal deposition in the joints, resulting in inflammation and pain. The condition mimics primary gout but often lacks tophus formation. Diagnosis involves reviewing the patient's history of lead exposure, assessing symptoms (vomiting, abdominal pain), performing physical examinations, and utilizing imaging (X-rays) and laboratory tests (lead and uric acid levels, kidney function tests).
Example 1: A 45-year-old man working in a battery recycling plant presents with severe pain and inflammation in his right ankle.His blood tests reveal elevated lead levels and uric acid, and X-rays show characteristic changes consistent with gout.The diagnosis of lead-induced chronic gout is made., A 60-year-old woman with a history of consuming moonshine contaminated with lead experiences recurring episodes of acute gouty arthritis.Blood tests reveal high levels of lead and uric acid. This scenario highlights an atypical source of lead exposure leading to saturnine gout., A 52-year-old construction worker with a history of lead exposure is evaluated for chronic joint pain.Blood tests confirm hyperuricemia, and renal function tests show moderate impairment.The physician diagnoses lead-induced chronic gout and initiates chelation therapy and gout medication.
Complete patient history documenting lead exposure (occupational, environmental, dietary), physical examination findings (joint inflammation, tenderness), laboratory results (blood lead levels, serum uric acid, creatinine, GFR), imaging reports (X-rays), and treatment records (medication, chelation therapy).
** Saturnine gout represents a less common form of gout caused by chronic lead exposure and related renal dysfunction. It's crucial to distinguish it from primary gout and consider potential environmental and occupational exposures.Careful documentation of patient history and laboratory findings is critical for accurate diagnosis and coding.
- Payment Status: Active
- Specialties:Rheumatology, Nephrology, Occupational Medicine, Toxicology
- Place of Service:Office, Hospital (inpatient and outpatient), Urgent Care Facility