ICD-10-CM Code C79.61

Valid for Submission

C79.61 is a billable code used to specify a medical diagnosis of secondary malignant neoplasm of right ovary. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code C79.61 might also be used to specify conditions or terms like malignant tumor involving right ovary by direct extension from endometrium, malignant tumor involving right ovary by direct extension from fallopian tube, malignant tumor involving right ovary by direct extension from left ovary, malignant tumor involving right ovary by direct extension from uterine cervix, malignant tumor involving right ovary by direct extension from uterus, malignant tumor involving right ovary by direct extension from vagina, etc

The code C79.61 is applicable to female patients only. It is clinically and virtually impossible to use this code on a non-female patient.

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

• Diagnoses for females only - Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, this code applies to FEMALES only .

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Malignant tumor involving right ovary by direct extension from endometrium
• Malignant tumor involving right ovary by direct extension from fallopian tube
• Malignant tumor involving right ovary by direct extension from left ovary
• Malignant tumor involving right ovary by direct extension from uterine cervix
• Malignant tumor involving right ovary by direct extension from uterus
• Malignant tumor involving right ovary by direct extension from vagina
• Malignant tumor involving right ovary by separate metastasis from endometrium
• Malignant tumor involving right ovary by separate metastasis from fallopian tube
• Malignant tumor involving right ovary by separate metastasis from left ovary
• Malignant tumor involving right ovary by separate metastasis from uterine cervix
• Malignant tumor involving right ovary by separate metastasis from uterus
• Malignant tumor involving right ovary by separate metastasis from vagina
• Secondary malignant neoplasm of right ovary
• Tumor involves both ovaries diffusely, primary tumor site cannot be determined

Diagnostic Related Groups

The ICD-10 code C79.61 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2019 through 09/30/2020.

• 736 - UTERINE AND ADNEXA PROCEDURES FOR OVARIAN OR ADNEXAL MALIGNANCY WITH MCC
• 737 - UTERINE AND ADNEXA PROCEDURES FOR OVARIAN OR ADNEXAL MALIGNANCY WITH CC
• 738 - UTERINE AND ADNEXA PROCEDURES FOR OVARIAN OR ADNEXAL MALIGNANCY WITHOUT CC/MCC
• 739 - UTERINE, ADNEXA PROCEDURES FOR NON-OVARIAN AND NON-ADNEXAL MALIGNANCY WITH MCC
• 740 - UTERINE, ADNEXA PROCEDURES FOR NON-OVARIAN AND NON-ADNEXAL MALIGNANCY WITH CC
• 741 - UTERINE, ADNEXA PROCEDURES FOR NON-OVARIAN AND NON-ADNEXAL MALIGNANCY WITHOUT CC/MCC

Convert C79.61 to ICD-9

• 198.6 - Second malig neo ovary (Approximate Flag)

Code Classification

• Neoplasms (C00–D48)
  • Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
    • Secondary malignant neoplasm of other and unspecified sites (C79)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

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