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Dx

ICD-10-CM 2027

ICD-10 code for gingival enlargement

K06.1

Gingival enlargement

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Enlargement, enlarged › gingival”. Page updated September 29, 2026.

About coding gingival enlargement

The ICD-10-CM code for gingival enlargement is K06.1 (Gingival enlargement).

Within K06 (other disorders of gingiva and edentulous alveolar ridge), K06.1 is specifically for gingival enlargement. Related codes cover gingival recession (K06.0), gingival and edentulous alveolar ridge lesions associated with trauma (K06.2), horizontal alveolar bone loss (K06.3), other specified disorders of gingiva and edentulous alveolar ridge (K06.8) and disorder of gingiva and edentulous alveolar ridge, unspecified (K06.9).

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 gingival enlargement ICD-10 codes

What is the ICD-10 code for gingival enlargement?

K06.1 — Gingival enlargement.

Is K06.1 billable?

Yes. K06.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can K06.1 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict K06.1 as a principal diagnosis.

Is K06.1 a CC or MCC?

No. K06.1 is neither a CC nor an MCC under MS-DRG v44.0.