K02.52 — Dental caries on pit and fissure surface penetrating into dentin
Is K02.52 billable?
Yes — K02.52 is billable for FY2027. K02.52 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K02.52 may be submitted for encounters from October 1, 2026 through September 30, 2027.
K02.52 at a glance
| Code | K02.52 |
|---|---|
| Description | Dental caries on pit and fissure surface penetrating into dentin |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does K02.52 group to?
K02.52 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 K02.52 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to K02.52. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Caries › dental › primary, cervical origin
- Caries › dental › chewing surface › penetrating into dentin
- Caries › dental › pit and fissure surface › penetrating into dentin
- Caries › dental › coronal surface › chewing surface › penetrating into dentin
- Caries › dental › coronal surface › pit and fissure surface › penetrating into dentin
Inclusion terms
Alternative wording in documentation that is classified to K02.52.
- Primary dental caries, cervical origin
Excludes2 — not included here — inherited from Chapter 11
The conditions below are not part of K02.52, but a patient may have both at the same time. When documentation supports it, K02.52 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
How long has K02.52 existed?
K02.52 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.