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Code
Description

ICD-10-CM Code D12.1
Benign neoplasm of appendix

BILLABLE
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

D12.1 is a billable ICD code used to specify a diagnosis of benign neoplasm of appendix. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code D12 is used to code Adenoma

An adenoma (from Greek αδένας, adeno-, "gland" + -ώμα, -oma, "tumor") (/ˌædᵻˈnoʊmə/; plural adenomas or adenomata /ˌædᵻˈnoʊmᵻtə/) is a benign tumor of epithelial tissue with glandular origin, glandular characteristics, or both. Adenomas can grow from many glandular organs, including the adrenal glands, pituitary gland, thyroid, prostate, and others. Some adenomas grow from epithelial tissue in nonglandular areas but express glandular tissue structure (as can happen in familial polyposis coli). Although adenomas are benign, over time they may transform to become malignant, at which point they are called adenocarcinomas. Most adenomas do not transform. But even while benign, they have the potential to cause serious health complications by compressing other structures (mass effect) and by producing large amounts of hormones in an unregulated, non-feedback-dependent manner (causing paraneoplastic syndromes). Some adenomas are too small to be seen macroscopically but can still cause clinical symptoms.

Specialty: Oncology
MeSH Codes: D000236, D000236, D000236, D000236, D000236
ICD 9 Codes: 211.3, 211.5, 223.0, 226, 227.0

Micrograph of a tubular adenoma (left of image), a type of colonic polyp and a precursor of colorectal cancer. Normal colorectal mucosa is seen on the right of the image. H&E stain.

Coding Notes for D12.1 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Benign carcinoid tumor of the appendix - instead, use code D3A.020

MS-DRG Mapping

  • DRG Group #393-395 - Other digestive system diagnoses with MCC.
  • DRG Group #393-395 - Other digestive system diagnoses with CC.
  • DRG Group #393-395 - Other digestive system diagnoses without CC or MCC.

Coding Advice SNOMET-CT

  • Possible requirement for morphology code

ICD-10-CM Neoplasms Index References for 'D12.1 - Benign neoplasm of appendix'

The ICD-10-CM Neoplasms Index links the below-listed medical terms to the ICD code D12.1. Click on any term below to browse the neoplasms index.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Benign neoplasm of colon (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code D12.1 and a single ICD9 code, 211.3 is an approximate match for comparison and conversion purposes.


Parent Code: D12 - Benign neoplasm of colon, rectum, anus and anal canal

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/D121