Billing and Coding: MolDX: NRAS Genetic Testing (A57486)


Related Local Coverage Determination (LCD)
L36335-MolDX: NRAS Genetic Testing


Contractor NameContract NumberStates
Noridian Healthcare Solutions, LLC 01111 - A and B MAC California - Entire State
01112 - A and B MAC California - Northern
01182 - A and B MAC California - Southern
01211 - A and B MAC American Samoa
Guam
Hawaii
Northern Mariana Islands
01212 - A and B MAC American Samoa
Guam
Hawaii
Northern Mariana Islands
01311 - A and B MAC Nevada
01312 - A and B MAC Nevada
01911 - A and B MAC American Samoa
California - Entire State
Guam
Hawaii
Nevada
Northern Mariana Islands

Article Information

Article ID Number: A57486 Status: A-Approved

Article Title: Billing and Coding: MolDX: NRAS Genetic Testing

Original Article Effective Date: 12/01/2019

Revision Effective Date: 10/01/2021

Article Text:

The following coding and billing guidance is to be used with its associated Local coverage determination.

To report a NRAS Genetic Testing service, please submit the following claim information:

 Select appropriate CPT® code

  • Enter 1 unit of service (UOS)
  • Enter the appropriate DEX Z-Code™ identifier adjacent to the CPT® code in the comment/narrative field for the following Part B claim field/types:
    • Loop 2400 or SV101-7 for the 5010A1 837P
    • Item 19 for paper claim
  • Enter the appropriate DEX Z-Code™ identifier adjacent to the CPT® code in the comment/narrative field for the following Part A claim field/types:
    • Line SV202-7 for 837I electronic claim
    • Block 80 for the UB04 claim form
  • Select the appropriate ICD-10-CM code

Coding Information
Bill Type Codes:

Contractors may specify Bill Types to help providers identify those Bill Types typically used to report this service. Absence of a Bill Type does not guarantee that the policy does not apply to that Bill Type. Complete absence of all Bill Types indicates that coverage is not influenced by Bill Type and the policy should be assumed to apply equally to all claims.


CPT/HCPCS Codes:

Group 1 Paragraph: N/A

Group 1 CPT Codes:
81311 NRAS (NEUROBLASTOMA RAS VIRAL [V-RAS] ONCOGENE HOMOLOG) (EG, COLORECTAL CARCINOMA), GENE ANALYSIS, VARIANTS IN EXON 2 (EG, CODONS 12 AND 13) AND EXON 3 (EG, CODON 61)
81479 UNLISTED MOLECULAR PATHOLOGY PROCEDURE


ICD-10 Codes That Are Covered

Although not specifically addressed in the ICD-10-CM Official Guidelines for Coding and Reporting 2016, when an encounter is for management of a complication associated with a neoplasm (NRAS testing for metastatic colon cancer), the complication (metastasis) is coded first, followed by the appropriate codes for the neoplasm.

*Primary Diagnoses are listed in Group 1 and Secondary Diagnoses in Group 2.

C77.0 Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck
C77.1 Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes
C77.2 Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes
C77.3 Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes
C77.4 Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes
C77.5 Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes
C77.8 Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions
C77.9 Secondary and unspecified malignant neoplasm of lymph node, unspecified
C78.00 Secondary malignant neoplasm of unspecified lung
C78.01 Secondary malignant neoplasm of right lung
C78.02 Secondary malignant neoplasm of left lung
C78.1 Secondary malignant neoplasm of mediastinum
C78.2 Secondary malignant neoplasm of pleura
C78.30 Secondary malignant neoplasm of unspecified respiratory organ
C78.39 Secondary malignant neoplasm of other respiratory organs
C78.4 Secondary malignant neoplasm of small intestine
C78.5 Secondary malignant neoplasm of large intestine and rectum
C78.6 Secondary malignant neoplasm of retroperitoneum and peritoneum
C78.7 Secondary malignant neoplasm of liver and intrahepatic bile duct
C78.80 Secondary malignant neoplasm of unspecified digestive organ
C78.89 Secondary malignant neoplasm of other digestive organs
C79.00 Secondary malignant neoplasm of unspecified kidney and renal pelvis
C79.01 Secondary malignant neoplasm of right kidney and renal pelvis
C79.02 Secondary malignant neoplasm of left kidney and renal pelvis
C79.10 Secondary malignant neoplasm of unspecified urinary organs
C79.11 Secondary malignant neoplasm of bladder
C79.19 Secondary malignant neoplasm of other urinary organs
C79.2 Secondary malignant neoplasm of skin
C79.31 Secondary malignant neoplasm of brain
C79.32 Secondary malignant neoplasm of cerebral meninges
C79.40 Secondary malignant neoplasm of unspecified part of nervous system
C79.49 Secondary malignant neoplasm of other parts of nervous system
C79.51 Secondary malignant neoplasm of bone
C79.52 Secondary malignant neoplasm of bone marrow
C79.60 Secondary malignant neoplasm of unspecified ovary
C79.61 Secondary malignant neoplasm of right ovary
C79.62 Secondary malignant neoplasm of left ovary
C79.63 Secondary malignant neoplasm of bilateral ovaries
C79.70 Secondary malignant neoplasm of unspecified adrenal gland
C79.71 Secondary malignant neoplasm of right adrenal gland
C79.72 Secondary malignant neoplasm of left adrenal gland
C79.81 Secondary malignant neoplasm of breast
C79.82 Secondary malignant neoplasm of genital organs
C79.89 Secondary malignant neoplasm of other specified sites

Secondary Diagnoses:

C18.0 Malignant neoplasm of cecum
C18.1 Malignant neoplasm of appendix
C18.2 Malignant neoplasm of ascending colon
C18.3 Malignant neoplasm of hepatic flexure
C18.4 Malignant neoplasm of transverse colon
C18.5 Malignant neoplasm of splenic flexure
C18.6 Malignant neoplasm of descending colon
C18.7 Malignant neoplasm of sigmoid colon
C18.8 Malignant neoplasm of overlapping sites of colon
C18.9 Malignant neoplasm of colon, unspecified
C19 Malignant neoplasm of rectosigmoid junction
C20 Malignant neoplasm of rectum
ICD-10 Codes That Are Not Covered

N/A


Revision History Information
Revision History DateRevision History NumberRevision History Explanation
10/01/2021
R3

Updated to indicate this article is an LCD Reference Article.

10/01/2021
R2

Under CMS National Coverage Policy moved regulations Title XVIII of the Social Security Act, §1862(a)(1)(A) and 42 CFR 410.32(a) to the related LCD.

Under ICD-10 Codes that Support Medical Necessity Group 1: Codes deleted C79.9. This revision is effective 10/1/21.

Under ICD-10 Codes that Support Medical Necessity Group 1: Codes added C79.63. This revision is due to the Annual ICD-10 Update and will become effective on 10/1/21.

12/01/2019
R1

CMS references are revised.