D16.5 — Benign neoplasm of lower jaw bone

Billable

Is D16.5 billable?

Yes — D16.5 is billable for FY2027. D16.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. D16.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.

D16.5 at a glance

Code	D16.5
Description	Benign neoplasm of lower jaw bone
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does D16.5 group to?

D16.5 sits in MDC Pre and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCCsurgical
012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CCsurgical
013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCCsurgical

How is D16.5 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to D16.5. They show the wording a clinician may have documented, which often differs from the Tabular description.

Cyst › calcifying odontogenic (colloid) (mucous) (simple) (retention)

Inclusion terms

Alternative wording in documentation that is classified to D16.5.

Keratocyst of mandible
Keratocystic odontogenic tumor of mandible

Excludes1 — never code together — inherited from D16

The conditions below can never be reported together with D16.5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

benign neoplasm of connective tissue of ear (D21.0)
benign neoplasm of connective tissue of eyelid (D21.0)
benign neoplasm of connective tissue of larynx (D14.1)
benign neoplasm of connective tissue of nose (D14.0)
benign neoplasm of synovia (D21.-)

How long has D16.5 existed?

D16.5 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.