Is ICD-10-CM code D37 billable?

No, D37 (Neoplasm of uncertain behavior of oral cavity and digestive organs) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code D37 belong to?

D37 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

D37Not billable, use a more specific code below

Neoplasm of uncertain behavior of oral cavity and digestive organs

In Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48), chapter 2: Neoplasms

17 billable codes under D37: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes1: not coded here, use a different code

stromal tumors of uncertain behavior of digestive system (D48.1-)

Also applies, from Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)

These notes sit on D37-D48 and apply to every code under it, including D37.

Excludes1: not coded here, use a different code

neoplasms of unspecified behavior (D49.-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.

Admission/Encounter for treatment of primary site (page 33)
Admission/Encounter for treatment of secondary site (page 33)
Coding and sequencing of complications (page 34)
Primary malignancy previously excised (page 34)
Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
Admission/encounter to determine extent of malignancy (page 36)
Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
Admission/encounter for pain control/management (page 36)

Read Section I.C.2 (page 32), 12 more topics

All codes under D37

D37 can't be used on a claim. Pick a billable code below; grey headings group them.

D37 MS-DRGs

As the principal diagnosis, the billable codes under D37 group to these 9 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 374 Digestive Malignancy with MCC (7 of 17 codes)
DRG 375 Digestive Malignancy with CC (7 of 17 codes)
DRG 376 Digestive Malignancy without CC/MCC (7 of 17 codes)
DRG 146 Ear, Nose, Mouth and Throat Malignancy with MCC (1 of 17 codes)
DRG 147 Ear, Nose, Mouth and Throat Malignancy with CC (1 of 17 codes)
DRG 148 Ear, Nose, Mouth and Throat Malignancy without CC/MCC (1 of 17 codes)
DRG 435 Malignancy of Hepatobiliary System or Pancreas with MCC (1 of 17 codes)
DRG 436 Malignancy of Hepatobiliary System or Pancreas with CC (1 of 17 codes)
DRG 437 Malignancy of Hepatobiliary System or Pancreas without CC/MCC (1 of 17 codes)

Other codes that refer to D37

Notes on these codes point to D37.

D49 Excludes2: neoplasms of uncertain behavior (D37-D44, D48)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Digestive Diseases

When you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion. Your digestive system is a series of hollow organs joined in a long, twisting tube. It runs from your mouth to your anus and includes your esophagus, stomach, and small and large intestines. Your liver, gallbladder and pancreas are also involved. They produce juices to help digestion.

Mouth Disorders

Your mouth is one of the most important parts of your body. It has many different functions. It allows you to: Any problem that affects your mouth can make it hard to eat, drink, or even smile. Some common mouth problems include:

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.