Is L02.237 a billable ICD-10 code?

Yes. L02.237 (Carbuncle of flank) is billable and can be used for insurance claims. Always verify payer-specific requirements.

L02.237 ✓ Billable

Carbuncle of flank

Q: What is ICD-10 code L02.237?

ICD-10-CM code L02.237 stands for "Carbuncle of flank". It is a billable code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue

Code

L02.237

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Diseases of the Skin and Subcutaneous Tissue

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

Excludes1 — never code together

non-newborn omphalitis (L08.82)
omphalitis of newborn (P38.-)

Excludes2 — not included here, but may code together

abscess of breast (N61.1)
abscess of buttocks (L02.31)
abscess of female external genital organs (N76.4)
abscess of male external genital organs (N48.2, N49.-)
abscess of hip (L02.4)
abscess of anus and rectal regions (K61.-)
abscess of female genital organs (external) (N76.4)
abscess of male genital organs (external) (N48.2, N49.-)

Use additional code

code to identify organism (B95-B96)

Frequently asked questions

What is ICD-10 code L02.237?

ICD-10-CM code L02.237 represents Carbuncle of flank. It is a billable diagnosis code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.

Is L02.237 billable?

Yes. L02.237 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is L02.237 in?

L02.237 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.

Related codes in the L02 category

L02 Cutaneous abscess, furuncle and carbuncle Non-billable L02.0 Cutaneous abscess, furuncle and carbuncle of face Non-billable L02.1 Cutaneous abscess, furuncle and carbuncle of neck Non-billable L02.2 Cutaneous abscess, furuncle and carbuncle of trunk Non-billable L02.3 Cutaneous abscess, furuncle and carbuncle of buttock Non-billable L02.4 Cutaneous abscess, furuncle and carbuncle of limb Non-billable L02.01 Cutaneous abscess of face Billable L02.02 Furuncle of face Billable

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