ICD-10-CM 2027 diagnosis code
D37.031Neoplasm of uncertain behavior of the sublingual salivary glands
D37.031 is a valid, billable ICD-10-CM code for neoplasm of uncertain behavior of the sublingual salivary glands. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Neoplasm of uncrt behavior of the sublingual salivary gland
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About D37.031
D37.031 is the ICD-10-CM diagnosis code for neoplasm of uncertain behavior of the sublingual salivary glands. It belongs to category D37 (neoplasm of uncertain behavior of oral cavity and digestive organs), block D37-D48 (neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes) and chapter 2 (neoplasms). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.
Within D37.03 (neoplasm of uncertain behavior of the major salivary glands), D37.031 is specifically for neoplasm of uncertain behavior of the sublingual salivary glands. Related codes cover parotid salivary glands (D37.030), submandibular salivary glands (D37.032) and unspecified (D37.039).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 011 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC, relative weight 5.6154), DRG 012 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC, relative weight 4.381), DRG 013 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC, relative weight 2.7307), DRG 146 (Ear, Nose, Mouth and Throat Malignancy with MCC, relative weight 2.1329), DRG 147 (Ear, Nose, Mouth and Throat Malignancy with CC, relative weight 1.3055) and DRG 148 (Ear, Nose, Mouth and Throat Malignancy without CC/MCC, relative weight 0.8008), in Pre-MDC and MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
Before ICD-10, this condition was coded in ICD-9-CM as 235.0 (neoplasm of uncertain behavior of major salivary glands).
Notes that apply from higher levels
Instructions written at a parent level also apply to D37.031.
› From D37 Neoplasm of uncertain behavior of oral cavity and digestive organs
- stromal tumors of uncertain behavior of digestive system (D48.1-)
Broader instructions also apply from D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes and Chapter 2: Neoplasms.
Table of Drugs & Neoplasms entries
- Neoplasm, neoplastic › salivary gland or duct (major) › sublingual — Uncertain Behavior
- Neoplasm, neoplastic › sublingual › gland or duct — Uncertain Behavior
MS-DRG v44.0 grouping
All DRGs →Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.
MDC PRE · Pre-MDC
MDC 03 · Diseases and Disorders of the Ear, Nose, Mouth and Throat
ICD-9-CM equivalent
Converter →- 235.0Neoplasm of uncertain behavior of major salivary glandsapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about D37.031
Is D37.031 billable?
- Yes. D37.031 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can D37.031 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict D37.031 as a principal diagnosis.
Is D37.031 a CC or MCC?
- No. D37.031 is neither a CC nor an MCC under MS-DRG v44.0.
What DRG does D37.031 group to?
- D37.031 is used in the MS-DRG v44.0 logic for MS-DRG 011 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC), MS-DRG 012 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC), MS-DRG 013 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC), MS-DRG 146 (Ear, Nose, Mouth and Throat Malignancy with MCC), MS-DRG 147 (Ear, Nose, Mouth and Throat Malignancy with CC) and MS-DRG 148 (Ear, Nose, Mouth and Throat Malignancy without CC/MCC). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.
What is the ICD-9 code for D37.031?
- The CMS General Equivalence Mappings map D37.031 to ICD-9-CM 235.0.