CPB Chapter 4 Flashcards
Information required to determine medical necessity?
Knowledge of emergent nature and severity
All signs and symptoms
Justified with the medical record
22 chapters to classify diseases and injuries by etiology or anatomical sites
Tabular list of diseases
first three characters of a code represent?
the category
characters 4-6 represent
etiology, anatomic site, severity, or other details
what does the 7th character represent
an extension used for episodes of care or injuries / external causes
how many characters is the highest level of specificity
characters 5 and 6
identified neoplasms by behavior and by anatomical location
Table of Neoplasms
How to correctly code neoplasms?
correct code selection is driven by the behavior of the neoplasm in the medical record, then if primary or secondary
Correct sequencing for neoplasm codes?
first determine which neoplasm was treated on the day of the encounter. If it is for metastasis, it is appropriate to put secondary site as principal diagnosis
What code is used to document personal history of malignancy that is not being currently treated?
Z85.9 - Personal history of malignant neoplasm, unspecified
Correct coding when a patient presents solely for administration of chemotherapy, radiation or immunotherapy?
Z code reported as the primary diagnosis, followed by the code for malignancy being treated on DOS
convention when: the provider docuemented more specific information regarding the patients condition, but there is not a code to report the condition accurately
NEC = Not Elsewhere classifiable
when the medical record lacks the information necessary to code to a more specific code
NOS = Not Otherwise Specified
used to enclose synonyms, explanatory phrases, or alternate wording
Brackets [ ]
used to enclose supplementary words that may be present or absent in the statement of a disease or procedure, without affecting the assigned code number
Parentheses ( )
the code excluded should never be used at the same time as the code above the “ “ note.
EXCLUDES1 note
when two conditions cannot occur together, such as congenital form vs an acquired form of the same condition
Excludes1 note
the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time
EXCLUDES2 note
What note appears when it is acceptable to use both the code and the excluded code together?
Excludes2 note
notation used in categories not intended to be the principal diagnosis
- note requires that the underlying disease be recorded first, and the manifestation second
Code First note
used to indicate that an additional code is needed to provide a more complete picture of the diagnosis, such as manifestation
Use Additional Code note
notation indicates that the code(s) listed should be coded as additional (secondary) codes
Use Additional Code note
Step one to look up diagnosis code
Look for the diagnosis in the assessment and plan