C02.4 — Malignant neoplasm of lingual tonsil

Billable

Is C02.4 billable?

Yes — C02.4 is billable for FY2027. C02.4 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. C02.4 may be submitted for encounters from October 1, 2026 through September 30, 2027.

C02.4 at a glance

Code	C02.4
Description	Malignant neoplasm of lingual tonsil
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does C02.4 group to?

C02.4 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

Excludes2 — not included here

The conditions below are not part of C02.4, but a patient may have both at the same time. When documentation supports it, C02.4 and the excluded code may both be reported.

malignant neoplasm of tonsil NOS (C09.9)

Use additional code — inherited from C02

Report an additional code alongside C02.4 to fully describe the condition. C02.4 is sequenced first.

code to identify:
alcohol abuse and dependence (F10.-)
history of tobacco dependence (Z87.891)
tobacco dependence (F17.-)
tobacco use (Z72.0)

How long has C02.4 existed?

C02.4 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.