2027 ICD-10-CM Diagnosis Code L72.9Follicular cyst of the skin and subcutaneous tissue, unspecified
ICD-10-CM Codes›L00–L99›L60-L75›L72
- Billable — Valid for Submission
- Not Chronic
L72.9 is a billable ICD-10-CM diagnosis code for follicular cyst of the skin and subcutaneous tissue, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607. Coders also document this condition as calcinosis within skin cyst. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified skin disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Calcinosis within skin cyst
- Cyst of scalp
- Cyst of skin
- Cyst of skin of eyebrow
- Follicular cysts of skin and subcutaneous tissue
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to L72.9: its own notes plus those printed at block L60-L75 and Chapter 12. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- congenital malformations of integument (Q84.-)
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may 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)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Skin Conditions
Your skin is your body's largest organ. It covers the entire outside of your body. There are many ways that your skin protects your body and helps keep you healthy. For example, it:
The full article covers:
- What does your skin do?
- What problems and conditions can affect your skin?
- How can I keep my skin healthy?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert L72.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About L72.9Overview
What is the ICD-10 code for follicular cyst of the skin and subcutaneous tissue, unspecified?
The ICD-10-CM code for follicular cyst of the skin and subcutaneous tissue, unspecified is L72.9 (sometimes written as L729). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is L72.9 (Follicular cysts of skin and subcutaneous tissue) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report follicular cyst of the skin and subcutaneous tissue, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does L72.9 group to?
When follicular cyst of the skin and subcutaneous tissue, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 607, 606, with relative weights from 0.8772 to 1.5721 depending on complications. Higher weights mean higher Medicare reimbursement.
Can L72.9 be reported with a code from Q84?
Not as a rule. The Excludes1 note at block L60-L75, which applies to L72.9, lists "congenital malformations of integument (Q84.-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of L72.9?
Under the General Equivalence Mappings, follicular cyst of the skin and subcutaneous tissue, unspecified converts to ICD-9-CM 706.2 (sebaceous cyst). The mapping is approximate, so confirm the match fits the documentation.
