Timed specimens are necessary for quantitative analysis of substances, such as protein, creatinine, or glucose in urine.

Open-circuit supplied air respirators (SARs) are similar to SCBA units, except that the air supply cylinder is remote from the user.

Answer the following statement true (T) or false (F)

Where may a coder locate information about the PCS device definitions compared with the ICD-10-PCS Value?

A. ICD-10-CM B. ICD-10-PCS Appendix entitled Device Definitions C. ICD-10-PCS Appendix entitled Device Aggregation Table D. ICD-10-PCS Index