Coders should be assessing their knowledge of anatomy and physiology and preparing for ICD-10-CM/PCSâs more detailed documentation requirements for code capture. The upcoming series of articles will review and discuss the various anatomy and physiology body systems as well as how ICD-10-CM/PCS is impacted by them.
The incubation period, the time from exposure to HPIV to onset of symptoms, is generally 2 to 7 days. 1  HPIV-1 and HPIV-2 are most often associated with croup. 2  HPIV-1 often causes croup in children, whereas HPIV-2 is less frequently detected.he incubation period, the time from exposure to HPIV to onset of symptoms, is generally 2 to 7 days. 1  HPIV-1 and HPIV-2 are most often associated with croup. 2  HPIV-1 often causes croup in children, whereas HPIV-2 is less frequently detected.
Epidemiology. Croup is the most common pediatric illness that causes acute stridor, accounting for approximately 15% of clinic and emergency department visits for pediatric respiratory tract infections. It is primarily a disease of infants and toddlers, with a peak incidence from age 6 months to 36 months (3 years).