Assignment of the pressure ulcer stage code should be. guided by clinical documentation. of the stage or. documentation of the terms found in the. Alphabetic. Index. For clinical terms describing the stage that are not. found in the Alphabetic Index, and there is no.
The World Health Organization (WHO) developed a classification system for MDS to standardize the definitions of the different subtypes. The 7 subtypes of MDS in this system include: Refractory anemia (RA). The primary sign of RA is anemia. White blood cell counts and platelet counts are healthy.
Definition. 1  Myelodysplastic syndromes (MDS) are a group of diseases that involve dysfunction of the bone marrow. 2  There are five types of MDS. 3  The cause of MDS is unknown, but research shows that certain risk factors are associated with the disease.  A risk factor is something that increases your chance of getting a disease or condition.