| Description | International classification of diseases / oncology, morphological part for typing of benign and malignant tumors.<br clear="none" /><br clear="none" />
<p style="margin: 0px 20px 18px 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: baseline; line-height: 18px;"><span style="color: rgb(51, 51, 51); font-family: inherit; margin: 0px; padding: 0px; border: 0px; outline: 0px; font-style: inherit; vertical-align: baseline;">The morphology axis provides five-digit codes ranging from 8000/0 to 9989/3. The first four digits indicate the specific histological term, i.e. morphology (8000 through 9989). The fifth digit after the slash (/) is the behavior code, which indicates whether a tumor is malignant, benign, in situ, or uncertain (whether benign or malignant). Deviations from the coding of the fifth digit are allowed, if the pathologist classifies a different behavior, not provided in the code list<br clear="none" /></span><span style="color: rgb(51, 51, 51); font-family: inherit; font-style: inherit;">A separate, 6th, one-digit code may also be given for histologic 4-tiered grading (differentiation) or for the cell type in lymphatic neoplasias.<br clear="none" /><br clear="none" />The </span><span style="color: rgb(51, 51, 51); font-family: Helvetica, Arial, sans-serif;">fifth and the sixth digit are coded separately in value sets </span><span style="color: rgb(51, 51, 51); font-family: Verdana, Arial, sans-serif; font-size: 12px;">1.3.6.1.4.1.19376.1.3.11.34 and </span><span style="color: rgb(51, 51, 51); font-family: Verdana, Arial, sans-serif; font-size: 12px;">1.3.6.1.4.1.19376.1.3.11.35</span>
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