Documentation and billing for observation stays has come under increased scrutiny from the OIG, though many hospitals have struggled with changing regulations and frequently updated guidance.
Editor's note: With the increased specificity required for ICD-10-CM coding, coders need a solid foundation in anatomy and physiology. To help coders prepare for the upcoming transition, we will provide an occasional article about specific anatomical locations and body parts as part of a larger series for ICD-10-CM preparation. This month's column addresses the anatomy of the feet.