Ulcerative blepharitis right eye, upper and lower eyelids

H01.01A is from the 2021 edition of ICD-10-CM, which is effective on October 1, 2020. H01.01A is the American ICD-10-CM version. Other international versions of the ICD-10 code of H01.01A may vary.

Billable 2021 ICD-10-CM Diagnosis Code

Additional Details
This code comes under Chapter 7

Chapter 7 contains the following blocks:

  • H00-H05 Disorders of eyelid, lacrimal system and orbit
  • H10-H11 Disorders of conjunctiva
  • H15-H22 Disorders of sclera, cornea, iris and ciliary body
  • H25-H28 Disorders of lens
  • H30-H36 Disorders of choroid and retina
  • H40-H42 Glaucoma
  • H43-H44 Disorders of vitreous body and globe
  • H46-H47 Disorders of optic nerve and visual pathways
  • H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction
  • H53-H54 Visual disturbances and blindness
  • H55-H57 Other disorders of eye and adnexa
  • H59 Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified

Below is some additional information from Chapter 7

Diseases of the eye and adnexa (H00-H59)
Note: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Excludes2: 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).

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