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ICD-10-CM 2027

ICD-10 code for tuberosity

M26.07

Excessive tuberosity of jaw

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Tuberosity, entire maxillary”. Page updated September 29, 2026.

About coding tuberosity

The ICD-10-CM code for tuberosity is M26.07 (Excessive tuberosity of jaw).

Within M26.0 (major anomalies of jaw size), M26.07 is specifically for excessive tuberosity of jaw. Related codes cover unspecified anomaly of jaw size (M26.00), maxillary hyperplasia (M26.01), maxillary hypoplasia (M26.02), mandibular hyperplasia (M26.03), mandibular hypoplasia (M26.04), macrogenia (M26.05), microgenia (M26.06) and other specified anomalies of jaw size (M26.09).

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 157 (Dental and Oral Diseases with MCC, relative weight 1.809), DRG 158 (Dental and Oral Diseases with CC, relative weight 0.9366) and DRG 159 (Dental and Oral Diseases without CC/MCC, relative weight 0.6893), 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.

Common questions about tuberosity ICD-10 codes

What is the ICD-10 code for tuberosity?

M26.07 — Excessive tuberosity of jaw.

Is M26.07 billable?

Yes. M26.07 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can M26.07 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict M26.07 as a principal diagnosis.

Is M26.07 a CC or MCC?

No. M26.07 is neither a CC nor an MCC under MS-DRG v44.0.