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When a patient is admitted for chemotherapy, assign the code for the malignancy as the first-listed diagnosis.
If a physician documents that the patient's diabetes is uncontrolled, a fifth digit to specify uncontrolled must be added.
ICD-9-CM presumes a cause-and-effect relationship between hypertension and chronic kidney disease.
A fifth digit of 3 (in remission) should be assigned to
303.9X for someone who has abused alcohol in the past but currently is not using alcohol.
An adverse effect occurs when a drug has been correctly prescribed and properly administered and the patient develops a reaction.
Refers to the behavior of a neoplasm as neither malignant nor benign but having characteristics of both malignant and benign neoplasms.
In Chapter 11 we studied many instances of Combination and Multiple Coding. In regards to Chapter 11, define Combination Coding.
A combination coding is a single code used to classify two diagnoses, or a diagnosis with an associated secondary process; a diagnosis with an associated complication.
An ectopic pregnancy occurs when the fertilized ovum implants outside the uterus, usually in the Fallopian tub.
When coding a poisoning, also assign an E code from the therapeutic column from the Table of Drugs and Chemicals
A code from Chapter 16 should not be assigned when it is considered to be routinely associated with a disease process.
The symbol that instructs you to use an additional ICD-9 code in all manuals is a plus symbol.
When a code is listed inside the slanted brackets, you must sequence that code after the underlying condition code.
Italicized type codes cannot be assigned as a first-listed diagnosis, because they are always listed after another code.
To correctly cod neoplasms, it is necessary to know whether the tumor is benign or malignant, as well as whether the tumor is primary, secondary, or carcinoma in situ.
Main terms in the Alphabetic Index are in bold type, and subterms are indented under the main term two spaces to the right.
The acronym ICD-9-CM means:
International Classification of Diseases, 9th Revision, Clinical Modification.
ICD-9 codes translate the ___of services provided from verbal and narrative descriptions to nationally accepted reporting standards.
In the Alphabetic Index of Volume 2, ICD-9, nonessential modifiers are:
terms enclosed in parentheses that have no effect on the selection of the code.
Another name for the Supplementary Classification of Factors Influencing Health Status and Contact with Health Services is:
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