[International classification of primary care].

 Biaxial, alphanumeric classification of primary care problems and related actions  17 chapters [A-Z]: body systems  Components in each chapter:  symptoms and complaints [01-29]  diagnostic / screening / preventive services [30-49]  medication / treatment / procedures [50-59]  test results [60,61]  administrative [62]  referrals, other reasons for encounter [63-69]  specific diagnoses [70-99]