Icd 10 acute recurrent frontal sinusitis July 8, 2019 16 32 64 128 Icd 10 acute non recurrent frontal sinusitis Icd 10 code for acute recurrent frontal sinusitis Icd 10 cm code for acute recurrent frontal sinusitis Acute frontal sinusitis icd 10 Acute sinusitis icd 9 code