The amino acids that are less soluble in the solvent will be more attracted to the paper and will remain closer to the original starting point. As a result, a mixture of amino acids can be separated using this technique. : The R f value is calculated from the chromatogram and can be used to help identify unknowns.
Nasal congestion. 1  R09.81 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. 3  This is the American ICD-10-CM version of R09.81.
Nasal congestion is the blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels. Nasal decongestants target the discomfort directly. These come as nasal sprays, inhalers, and as oral pills. Nasal congestion has many causes and can range from a mild annoyance to a life-threatening condition. The newborn infant prefers to breathe through the nose (historically referred to as obligate nasal breathers).