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.
Code 491.22 is also assigned if the physician documents acute bronchitis with COPD exacerbation. However, if acute bronchitis is not mentioned with the COPD exacerbation, then code 491.21 is assigned (AHA Coding Clinic for ICD-9-CM, 2008, fourth quarter, pages 241-244).COPD With Asthma. Asthma with COPD is classified to code 493.2x.equence the status asthmaticus code first if documented with any type of COPD or with acute bronchitis (AHA Coding Clinic for ICD-9-CM, 2008, fourth quarter, pages 241-244).