2027 ICD-10-CM Diagnosis Code H02.422Myogenic ptosis of left eyelid

ICD-10-CM Codes›H00–H59›H00-H05›H02

ICD-10-CM H02.422
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

H02.422 is a billable ICD-10-CM diagnosis code for myogenic ptosis of left eyelid. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 123. Coders also document this condition as myogenic ptosis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Oculofacial plastics and orbital conditions.

Code Identity

ICD-10-CM Code
H02.422
Billable Status
Yes — Valid for Submission
Code Describes
Myogenic ptosis of left eyelid
Short Description
Myogenic ptosis of left eyelid
Same as the full description in the CMS dataset.
Parent Code
H02.42
Myogenic ptosis of eyelid

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH00-H05Disorders of eyelid, lacrimal system and orbit
CategoryH02Other disorders of eyelid
This CodeH02.422Myogenic ptosis of left eyelid

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Myogenic ptosis
  • Myogenic ptosis of left eyelid

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to H02.422: its own notes plus those printed at H02, block H00-H05, and Chapter 7. 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 H02 Other disorders of eyelid applies to 259 codes

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 Block H00-H05 Disorders of eyelid, lacrimal system and orbit applies to 574 codes
From Chapter 7 (H00-H59) Diseases of the eye and adnexa applies to 2,677 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)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • 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)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Notes

General instructions on how these codes are used.

From Chapter 7 (H00-H59) Diseases of the eye and adnexa applies to 2,677 codes
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR EYE008
Oculofacial plastics and orbital conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Eyelid Disorders

Eyelid disorders include a variety of conditions that affect your eyelids. Your eyelids protect your eyes and help keep them healthy. When you blink, they spread tears across your eyes and help wash away dirt or dust. You also close your eyelids when something comes near your eyes to protect them from injury.

The full article covers:

  • What are eyelid disorders?
  • What causes eyelid disorders?
  • What are common eyelid disorders?
  • What are the symptoms of eyelid disorders?
  • How are eyelid disorders diagnosed?
  • How are eyelid disorders treated?

Read the full article at MedlinePlus

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

Convert H02.422 to ICD-9-CMHistory

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

ICD-9-CM
374.32 Myogenic ptosis
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 H02.422Overview

What is the ICD-10 code for myogenic ptosis of left eyelid?

The ICD-10-CM code for myogenic ptosis of left eyelid is H02.422 (sometimes written as H02422). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is H02.422 (Myogenic ptosis of eyelid) a billable code?

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

What MS-DRG does H02.422 group to?

When myogenic ptosis of left eyelid is the principal diagnosis on an inpatient stay, it groups to MS-DRG 123 (neurological Eye Disorders), which carries a relative weight of 0.8218. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of H02.422?

Under the General Equivalence Mappings, myogenic ptosis of left eyelid converts to ICD-9-CM 374.32 (myogenic ptosis). The mapping is approximate, so confirm the match fits the documentation.