Icd 9 code for subtherapeutic serum dilantin level
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified Note This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded. The residual subcategories, numbered. Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification.
The following code s above R The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters.
R89 Abnormal findings in specimens from other organs, systems and tissues. Applicable To annotations, or Code Also annotations, or Code First annotations, or Excludes1 annotations, or Excludes2 annotations, or Includes annotations, or Note annotations, or Use Additional annotations. The conditions and signs or symptoms included in categories R00 - R94 consist of: Type 2 Excludes abnormal findings on examination of blood, without diagnosis RR79 abnormal findings on examination of urine, without diagnosis RR82 abnormal tumor markers R Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis Type 1 Excludes abnormal findings on antenatal screening of mother O R88 Abnormal findings in other body fluids and substances.
Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. Abnormal, abnormality, abnormalities - see also Anomaly specimen specified organ, system and tissue NOS R In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body.
Type 2 Excludes abnormal findings on antenatal screening of mother O Diagnosis Index entries containing back-references to R R90 Abnormal findings on diagnostic imaging of central nervous system.
In this context, annotation back-references refer to codes that contain: