Evaluation for associated metabolic disorders in selected patients
ACR guidance and expert consensus for crystal induced arthritis approach
Arthrocentesis to exclude septic arthritis
Intraarticular steroid for monoarticular flares
Evidence summaries
Randomized and comparative studies supporting low dose colchicine strategies in crystal arthritis
Improved tolerability compared with high dose strategies
Similar efficacy signals in acute flare control
Observational data on ultrasound guidance for arthrocentesis success
Higher aspiration success in small or difficult joints
Reduced complication rates in procedural series
Coding and terminology
ICD 10 options
M11.2 Other chondrocalcinosis
CPPD related chondrocalcinosis coding
Use site specific extensions when available
M25.4 Effusion of joint
Symptom coding when diagnosis uncertain
Use with later definitive diagnosis as appropriate
M00 Pyogenic arthritis
Use when septic arthritis confirmed
Do not delay treatment while awaiting code
SNOMED CT concepts
Calcium pyrophosphate deposition disease
Acute CPP crystal arthritis phenotype
Chronic CPP inflammatory arthritis phenotype
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