K08.51 — Open restoration margins of tooth
Is K08.51 billable?
Yes — K08.51 is billable for FY2027. K08.51 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K08.51 may be submitted for encounters from October 1, 2026 through September 30, 2027.
K08.51 at a glance
| Code | K08.51 |
|---|---|
| Description | Open restoration margins of tooth |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does K08.51 group to?
K08.51 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 K08.51 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to K08.51. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Open, opening › margin on tooth restoration
- Open, opening › restoration margins of tooth
- Poor › gingival margin to tooth restoration
- Dental › restoration › failure of marginal integrity
- Restoration › dental › failure of marginal integrity (of)
- Restoration › tooth › open margins (of)
- Restoration › tooth › poor gingival margins (of)
Inclusion terms
Alternative wording in documentation that is classified to K08.51.
- Dental restoration failure of marginal integrity
- Open margin on tooth restoration
- Poor gingival margin to tooth restoration
Excludes1 — never code together — inherited from K08.5
The conditions below can never be reported together with K08.51 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- dental restoration status (Z98.811)
Excludes2 — not included here — inherited from Chapter 11
The conditions below are not part of K08.51, but a patient may have both at the same time. When documentation supports it, K08.51 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)
Excludes2 — not included here — inherited from K08
The conditions below are not part of K08.51, but a patient may have both at the same time. When documentation supports it, K08.51 and the excluded code may both be reported.
Excludes2 — not included here — inherited from K08.5
The conditions below are not part of K08.51, but a patient may have both at the same time. When documentation supports it, K08.51 and the excluded code may both be reported.
How long has K08.51 existed?
K08.51 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.
What other codes are in the K08.5 family? (7)
- K08.50Unsatisfactory restoration of tooth, unspecified
- K08.52Unrepairable overhanging of dental restorative materials
- K08.53Fractured dental restorative materialnot billable
- K08.54Contour of existing restoration of tooth biologically incompatible with oral health
- K08.55Allergy to existing dental restorative material
- K08.56Poor aesthetic of existing restoration of tooth
- K08.59Other unsatisfactory restoration of tooth