<u>Three diagnosis code(s) should be reported-</u>
N63, Z80.3
N63 (lump in breast, unspecified)
Z80.3 (Family history of malignant neoplasm of breast)
What are NEC and NOS considered in the ICD-10-CM code book?
The ICD-IO-CM codebook employs the terms NEC and NOS. Reason: ICD-10-CM recommendation States in I.A. The acronyms NEC and NOS are used.
Not Elsewhere Classifiable is referred to as NEC, and Not Otherwise Specified is referred to as NOS.
What are NEC and NOS considered?
The initials "NEC" and "NOS" are alphanumeric abbreviations. NEC and NOS stand for "Not Elsewhere Classified" and "Not Otherwise Specified," respectively.
Simply put, NEC denotes that although your doctor provided you with a very specific diagnosis, the codes do not go that far.
What is the difference between NOS and NEC ?
The Alphabetic Index uses the abbreviation NEC (not elsewhere categorized) to denote conditions for which there is no distinct code.
The term "NOS" (not else specified), which is only used in the Tabular List, is identical to "unspecified."
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