2027 ICD-10-CM Diagnosis Code H21.272Miotic pupillary cyst, left eye
ICD-10-CM Codes›H00–H59›H15-H22›H21
- Billable — Valid for Submission
- Not Chronic
H21.272 is a billable ICD-10-CM diagnosis code for miotic pupillary cyst, left eye. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 124 through 125. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified eye disorders.
Code Identity
Code Classification
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to H21.272: its own notes plus those printed at H21 and Chapter 7. A note printed at a category, block or chapter applies to every code under it.
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)
- 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.
- 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.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name H21.272, its category, or a range that includes it.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Eye Diseases
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The full article covers:
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- What are the symptoms of eye diseases?
- Who is more likely to develop eye diseases?
- What are the treatments for eye diseases?
- Can eye diseases be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert H21.272 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About H21.272Overview
What is the ICD-10 code for miotic pupillary cyst, left eye?
The ICD-10-CM code for miotic pupillary cyst, left eye is H21.272 (sometimes written as H21272). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is H21.272 (Miotic pupillary cyst) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report miotic pupillary cyst, left eye on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does H21.272 group to?
When miotic pupillary cyst, left eye is the principal diagnosis on an inpatient stay, it groups to MS-DRG 125, 124, with relative weights from 0.7699 to 1.2470 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of H21.272?
Under the General Equivalence Mappings, miotic pupillary cyst, left eye converts to ICD-9-CM 364.55 (miotic cyst pupil margin). The mapping is approximate, so confirm the match fits the documentation.
