L05.01 vs Q82.6
L05.01 (Pilonidal cyst with abscess) compared with Q82.6 (Congenital sacral dimple), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
Yes, when both are documented. L05.01 carries an Excludes2 note covering Q82.6: “congenital sacral dimple (Q82.6)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. L05.01 carries an Excludes2 note covering Q82.6: “parasacral dimple (Q82.6)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
No — do not report together. Q82.6 carries an Excludes1 note covering L05.01: “pilonidal cyst or sinus (L05.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Yes, when both are documented. Q82.6 carries an Excludes2 note covering L05.01: “pilonidal cyst with abscess (L05.01)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L05.01Pilonidal cyst with abscess | Q82.6Congenital sacral dimple | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Pilonidal cyst with abscess is a billable ICD-10-CM diagnosis code (L05.01). | Congenital sacral dimple is a billable ICD-10-CM diagnosis code (Q82.6). |
| Includes | Pilonidal abscess Pilonidal dimple with abscess Postanal dimple with abscess | Parasacral dimple |
| Use additional code | code (B95-B97) to identify infectious agent. | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources