MCMedicalCodingSoftware
ICD-10-CM

Table of Neoplasms — A

Find the anatomical site, then read across to the column matching the behaviour the pathology report describes. One site yields six different codes depending on whether the neoplasm is malignant, in situ, benign, or of uncertain behaviour. 120 sites beginning with A.

A blank cell means the column does not apply to that site — not that the code is missing.

SiteMalignant primaryMalignant secondaryCa in situBenignUncertain behaviourUnspecified behaviour
abdomen, abdominalNeoplasm, neoplasticC76.2C79.8-D09.8D36.7D48.7D49.89
abdominopelvicNeoplasm, neoplasticC76.8C79.8-D36.7D48.7D49.89
accessory sinusNeoplasm, neoplastic
acoustic nerveNeoplasm, neoplasticC72.4-C79.49D33.3D43.3D49.7
adenoid(pharynx) (tissue)Neoplasm, neoplasticC11.1C79.89D00.08D10.6D37.05D49.0
adipose tissueNeoplasm, neoplasticC49.4C79.89D21.9D48.1-D49.2
adnexa(uterine)Neoplasm, neoplasticC57.4C79.89D07.39D28.7D39.8D49.59
adrenalNeoplasm, neoplasticC74.9-C79.7-D09.3D35.0-D44.1-D49.7
ala nasi(external)Neoplasm, neoplasticC44.301C79.2D04.39D23.39D48.5D49.2
alimentary canal or tract NECNeoplasm, neoplasticC26.9C78.80D01.9D13.99D37.9D49.0
alveolarNeoplasm, neoplasticC03.9C79.89D00.03D10.39D37.09D49.0
alveolusNeoplasm, neoplasticC03.9C79.89D00.03D10.39D37.09D49.0
ampulla of VaterNeoplasm, neoplasticC24.1C78.89D01.5D13.5D37.6D49.0
ankle NECNeoplasm, neoplasticC76.5-C79.89D04.7-D36.7D48.7D49.89
anorectum, anorectal(junction)Neoplasm, neoplasticC21.8C78.5D01.3D12.9D37.8D49.0
antecubital fossa or spaceNeoplasm, neoplasticC76.4-C79.89D04.6-D36.7D48.7D49.89
antrum(Highmore) (maxillary)Neoplasm, neoplasticC31.0C78.39D02.3D14.0D38.5D49.1
anus, analNeoplasm, neoplasticC21.0C78.5D01.3D12.9D37.8D49.0
aorta(thoracic)Neoplasm, neoplasticC49.3C79.89D21.3D48.1-D49.2
abdominalNeoplasm, neoplastic › aorta(thoracic)C49.4C79.89D21.4D48.1-D49.2
aortic bodyNeoplasm, neoplasticC75.5C79.89D35.6D44.7D49.7
aponeurosisNeoplasm, neoplasticC49.9C79.89D21.9D48.1-D49.2
appendixNeoplasm, neoplasticC18.1C78.5D01.0D12.1D37.3D49.0
arachnoidNeoplasm, neoplasticC70.9C79.49D32.9D42.9D49.7
areolaNeoplasm, neoplasticC50.0-C79.81D05.-D24.-D48.6-D49.3
arm NECNeoplasm, neoplasticC76.4-C79.89D04.6-D36.7D48.7D49.89
arteryNeoplasm, neoplastic
aryepiglottic foldNeoplasm, neoplasticC13.1C79.89D00.08D10.7D37.05D49.0
arytenoid(cartilage)Neoplasm, neoplasticC32.3C78.39D02.0D14.1D38.0D49.1
associated with transplanted organNeoplasm, neoplasticC80.2
atlasNeoplasm, neoplasticC41.2C79.51D16.6D48.0D49.2
atrium, cardiacNeoplasm, neoplasticC38.0C79.89D15.1D48.7D49.89
auditoryNeoplasm, neoplastic
auricle, earNeoplasm, neoplasticC44.20-C79.2D04.2-D23.2-D48.5D49.2
auricular canal(external)Neoplasm, neoplasticC44.20-C79.2D04.2-D23.2-D48.5D49.2
autonomic nerve or nervous system NEC(see Neoplasm, nerve, peripheral)Neoplasm, neoplastic
axilla, axillaryNeoplasm, neoplasticC76.1C79.89D09.8D36.7D48.7D49.89
and extrahepaticNeoplasm, neoplastic › bile or biliary(tract) › duct or passage(common) (cystic) (extrahepatic) › intrahepaticC24.8C78.89D01.5D13.5D37.6D49.0
anteriorNeoplasm, neoplastic › bladder(urinary) › wallC67.3C79.11D09.0D30.3D41.4D49.4
acetabulumNeoplasm, neoplastic › bone(periosteum)C41.4C79.51D16.8-D48.0D49.2
ankleNeoplasm, neoplastic › bone(periosteum)C40.3-C79.51D16.3-
arm NECNeoplasm, neoplastic › bone(periosteum)C40.0-C79.51D16.0-
astragalusNeoplasm, neoplastic › bone(periosteum)C40.3-C79.51D16.3-
atlasNeoplasm, neoplastic › bone(periosteum)C41.2C79.51D16.6-D48.0D49.2
axisNeoplasm, neoplastic › bone(periosteum)C41.2C79.51D16.6-D48.0D49.2
ankleNeoplasm, neoplastic › bone(periosteum) › navicularC40.3-C79.51
areolaNeoplasm, neoplastic › breast(connective tissue) (glandular tissue) (soft parts)C50.0-C79.81D05.-D24.-D48.6-D49.3
axillary tailNeoplasm, neoplastic › breast(connective tissue) (glandular tissue) (soft parts)C50.6-C79.81D05.-D24.-D48.6-D49.3
analNeoplasm, neoplastic › canalC21.1C78.5D01.3D12.9D37.8D49.0
auditory(external)Neoplasm, neoplastic › canalC44.20-C79.2D04.2-D23.2-D48.5D49.2
auricular(external)Neoplasm, neoplastic › canalC44.20-C79.2D04.2-D23.2-D48.5D49.2
arytenoidNeoplasm, neoplastic › cartilage(articular) (joint) NECC32.3C78.39D02.0D14.1D38.0D49.1
auricularNeoplasm, neoplastic › cartilage(articular) (joint) NECC49.0C79.89D21.0D48.1-D49.2
anterior surfaceNeoplasm, neoplastic › cartilage(articular) (joint) NEC › epiglottisC10.1C79.89D00.08D10.5D37.05D49.0
abdomenNeoplasm, neoplastic › connective tissue NECC49.4C79.89D21.4D48.1-D49.2
abdominal wallNeoplasm, neoplastic › connective tissue NECC49.4C79.89D21.4D48.1-D49.2
ankleNeoplasm, neoplastic › connective tissue NECC49.2-C79.89D21.2-D48.1-D49.2
antecubital fossa or spaceNeoplasm, neoplastic › connective tissue NECC49.1-C79.89D21.1-D48.1-D49.2
armNeoplasm, neoplastic › connective tissue NECC49.1-C79.89D21.1-D48.1-D49.2
auricle(ear)Neoplasm, neoplastic › connective tissue NECC49.0C79.89D21.0D48.1-D49.2
axillaNeoplasm, neoplastic › connective tissue NECC49.3C79.89D21.3D48.1-D49.2
albicansNeoplasm, neoplastic › corpusC56.-C79.6-D07.39D27.-D39.1-D49.59
adrenalNeoplasm, neoplastic › cortexC74.0-C79.7-D09.3D35.0-D44.1-D49.7
auricle or aurisNeoplasm, neoplastic › ear(external)C44.20-C79.2D04.2-D23.2-D48.5D49.2
anterior aspect or surfaceNeoplasm, neoplastic › epiglottisC10.1C79.89D00.08D10.5D37.05D49.0
abdominalNeoplasm, neoplastic › esophagusC15.5C78.89D00.1D13.0D37.8D49.0
anterior(cranial)Neoplasm, neoplastic › fossa(of)C71.9C79.31D33.2D43.2D49.6
appendixNeoplasm, neoplastic › intestine, intestinal › largeC18.1C78.5D01.0D12.1D37.3D49.0
and rectumNeoplasm, neoplastic › intestine, intestinal › large › colonC19C78.5D01.1D12.7D37.5D49.0
ascendingNeoplasm, neoplastic › intestine, intestinal › large › colonC18.2C78.5D01.0D12.2D37.4D49.0
acromioclavicularNeoplasm, neoplastic › joint NECC40.0-C79.51D16.0-
anorectalNeoplasm, neoplastic › junctionC21.8C78.5D01.3D12.9D37.8D49.0
aryepiglottic foldNeoplasm, neoplastic › larynx, laryngeal NECC32.1C78.39D02.0D14.1D38.0D49.1
azygos lobeNeoplasm, neoplastic › lungC34.1-C78.0-D02.2-D14.3-D38.1D49.1
abdominalNeoplasm, neoplastic › lymph, lymphatic channel NEC › gland(secondary)C77.2D36.0D48.7D49.89
aorticNeoplasm, neoplastic › lymph, lymphatic channel NEC › gland(secondary)C77.2D36.0D48.7D49.89
armNeoplasm, neoplastic › lymph, lymphatic channel NEC › gland(secondary)C77.3D36.0D48.7D49.89
auricular(anterior) (posterior)Neoplasm, neoplastic › lymph, lymphatic channel NEC › gland(secondary)C77.0D36.0D48.7D49.89
axilla, axillaryNeoplasm, neoplastic › lymph, lymphatic channel NEC › gland(secondary)C77.3D36.0D48.7D49.89
alveolarNeoplasm, neoplastic › mandible
alveolarNeoplasm, neoplastic › maxilla, maxillary(superior)
antrumNeoplasm, neoplastic › maxilla, maxillary(superior)C31.0C78.39D02.3D14.0D38.5D49.1
anteriorNeoplasm, neoplastic › mediastinum, mediastinalC38.1C78.1D15.2D38.3D49.89
adrenalNeoplasm, neoplastic › medullaC74.1-C79.7-D09.3D35.0-D44.1-D49.7
anterior portionNeoplasm, neoplastic › mouth › floorC04.0C79.89D00.06D10.2D37.09D49.0
alveolar(ridge or process)Neoplasm, neoplastic › mucosaC03.9C79.89D00.03D10.39D37.09D49.0
anteriorNeoplasm, neoplastic › nasopharynx, nasopharyngeal › wallC11.3C79.89D00.08D10.6D37.05D49.0
abducensNeoplasm, neoplastic › nerve(ganglion)C72.59C79.49D33.3D43.3D49.7
accessory(spinal)Neoplasm, neoplastic › nerve(ganglion)C72.59C79.49D33.3D43.3D49.7
acousticNeoplasm, neoplastic › nerve(ganglion)C72.4-C79.49D33.3D43.3D49.7
auditoryNeoplasm, neoplastic › nerve(ganglion)C72.4-C79.49D33.3D43.3D49.7
autonomic NECNeoplasm, neoplastic › nerve(ganglion)C47.9C79.89D36.10D48.2D49.2
abdomenNeoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.4C79.89D36.15D48.2D49.2
abdominal wallNeoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.4C79.89D36.15D48.2D49.2
ankleNeoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.2-C79.89D36.13D48.2D49.2
antecubital fossa or spaceNeoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.1-C79.89D36.12D48.2D49.2
armNeoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.1-C79.89D36.12D48.2D49.2
auricle(ear)Neoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.0C79.89D36.11D48.2D49.2
axillaNeoplasm, neoplastic › nerve(ganglion) › peripheral NECC47.3C79.89D36.12D48.2D49.2
accessoryNeoplasm, neoplastic › nerve(ganglion) › spinal NECC72.59C79.49D33.3D43.3D49.7
autonomicNeoplasm, neoplastic › nervous system(central)
ala(external) (nasi)Neoplasm, neoplastic › nose, nasalC44.301C79.2D04.39D23.39D48.5D49.2
autonomic nerveNeoplasm, neoplastic › orbitC69.6-C79.49D31.6-D48.7D49.2
antrumNeoplasm, neoplastic › pyloricC16.3C78.89D00.2D13.1D37.1D49.0
and colonNeoplasm, neoplastic › rectum(ampulla)C19C78.5D01.1D12.7D37.5D49.0
abdominal wallNeoplasm, neoplastic › skin NOSC44.509C79.2D04.5D23.5D48.5D49.2
ala nasiNeoplasm, neoplastic › skin NOSC44.301C79.2D04.39D23.39D48.5D49.2
ankleNeoplasm, neoplastic › skin NOSC44.70-C79.2D04.7-D23.7-D48.5D49.2
antecubital spaceNeoplasm, neoplastic › skin NOSC44.60-C79.2D04.6-D23.6-D48.5D49.2
anusNeoplasm, neoplastic › skin NOSC44.500C79.2D04.5D23.5D48.5D49.2
armNeoplasm, neoplastic › skin NOSC44.60-C79.2D04.6-D23.6-D48.5D49.2
auditory canal(external)Neoplasm, neoplastic › skin NOSC44.20-C79.2D04.2-D23.2-D48.5D49.2
auricle(ear)Neoplasm, neoplastic › skin NOSC44.20-C79.2D04.2-D23.2-D48.5D49.2
auricular canal(external)Neoplasm, neoplastic › skin NOSC44.20-C79.2D04.2-D23.2-D48.5D49.2
axilla, axillary foldNeoplasm, neoplastic › skin NOSC44.509C79.2D04.5D23.5D48.5D49.2
analNeoplasm, neoplastic › sphincterC21.1C78.5D01.3D12.9D37.8D49.0
antrum(pyloric)Neoplasm, neoplastic › stomachC16.3C78.89D00.2D13.1D37.1D49.0
anterior NECNeoplasm, neoplastic › stomach › wall NECC16.8C78.89D00.2D13.1D37.1D49.0
anterior(two-thirds) NECNeoplasm, neoplastic › tongueC02.3C79.89D00.07D10.1D37.02D49.0
adnexa NECNeoplasm, neoplastic › uterus, uteri, uterineC57.4C79.82D07.39D28.7D39.8D49.59