While аn inpаtient in аn acute care hоspital, a 60-year-оld female was referred fоr consultation to a hematologist with a diagnosis of anemia. A bone marrow aspiration biopsy of the right iliac crest was performed. Pathologic analysis of the specimen concluded the patient had “hypercellular marrow with diminished iron consistent with iron deficiency anemia” with the iron deficiency anemia also documented by the consultant in a postprocedure note. The attending physician agreed with the pathologist’s conclusion. Code only for the consultant’s diagnosis and procedure performed. Principal Diagnosis: Principal Procedure: Hint: This is a biopsy procedure; however, in PCS, the instruction notes found under the alphabetic entry Biopsy are 'see Drainage', 'see Excision', and 'see Extraction'. Review the definitions of these root procedures very carefully when making the decision for the root operation of the procedure of this case.