2027 ICD-10-CM Diagnosis Code L60.1Onycholysis

ICD-10-CM Codes›L00–L99›L60-L75›L60

ICD-10-CM L60.1
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

L60.1 is a billable ICD-10-CM diagnosis code for onycholysis. 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified skin disorders.

Code Identity

ICD-10-CM Code
L60.1
Billable Status
Yes — Valid for Submission
Code Describes
Onycholysis
Short Description
Onycholysis
Same as the full description in the CMS dataset.
Parent Code
L60
Nail disorders

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL60-L75Disorders of skin appendages
CategoryL60Nail disorders
This CodeL60.1Onycholysis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Drug-induced nail abnormality
  • Drug-induced onycholysis
  • Hereditary distal onycholysis
  • Hypoplastic enamel-onycholysis-hypohidrosis syndrome
  • Lichen planus co-occurrent with onycholysis
  • Onycholysis
  • Onycholysis caused by chemical
  • Onycholysis due to fungal infection of nail
  • Photoonycholysis
  • Photoonycholysis caused by drug
  • Psoriasis of nail
  • Psoriatic onycholysis
  • Recurrent loss of nail plate
  • Traumatic onycholysis

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to L60.1: its own notes plus those printed at L60, 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.

From Block L60-L75 Disorders of skin appendages applies to 85 codes
  • 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.

From L60 Nail disorders applies to 8 codes
  • clubbing of nails (R68.3)
  • onychia and paronychia (L03.0-)
From Chapter 12 (L00-L99) Diseases of the skin and subcutaneous tissue applies to 1,001 codes
  • 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.

CCSR SKN007
Other specified and unspecified skin disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Onycholysis

    separation of nail plate from the underlying nail bed. it can be a sign of skin disease, infection (such as onychomycosis) or tissue injury.

Patient EducationClinical

Nail Diseases

Your toenails and fingernails protect the tissues of your toes and fingers. They are made up of layers of a hardened protein called keratin, which is also in your hair and skin. The health of your nails can be a clue to your overall health. Healthy nails are usually smooth and consistent in color.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert L60.1 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
703.8 Diseases of nail NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About L60.1Overview

What is the ICD-10 code for onycholysis?

The ICD-10-CM code for onycholysis is L60.1 (sometimes written as L601). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is L60.1 (Nail disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report onycholysis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does L60.1 group to?

When onycholysis 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 L60.1 be reported with a code from Q84?

Not as a rule. The Excludes1 note at block L60-L75, which applies to L60.1, 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 L60.1?

Under the General Equivalence Mappings, onycholysis converts to ICD-9-CM 703.8 (diseases of nail NEC). The mapping is approximate, so confirm the match fits the documentation.