ICD-10-CM code "H40.21": Acute angle-closure glaucoma (2024)

Overview

ICD-10 CodeH40.21
DescriptionAcute angle-closure glaucoma
Hierarchy
  1. Diseases of the eye and adnexa (H00-H59)
  2. Glaucoma (H40-H42)
  3. Glaucoma (H40)
  4. Primary angle-closure glaucoma (H40.2)
  5. Acute angle-closure glaucoma (H40.21)
Billable statusNon billable code

Excludes

  1. Diseases of the eye and adnexa (H00-H59)

    Type 2certain conditions originating in the perinatal period (P04-P96)

    Type 2certain infectious and parasitic diseases (A00-B99)

    Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

    Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

    Type 2diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)

    Type 2endocrine, nutritional and metabolic diseases (E00-E88)

    Type 2injury (trauma) of eye and orbit (S05.-)

    Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 2neoplasms (C00-D49)

    Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

    Type 2syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

  2. Glaucoma (H40-H42)
  3. Glaucoma (H40)

    Type 1absolute glaucoma (H44.51-)

    Type 1congenital glaucoma (Q15.0)

    Type 1traumatic glaucoma due to birth injury (P15.3)

  4. Primary angle-closure glaucoma (H40.2)

    Type 1aqueous misdirection (H40.83-)

    Type 1malignant glaucoma (H40.83-)

  5. Acute angle-closure glaucoma (H40.21)

Includes

  1. Diseases of the eye and adnexa (H00-H59)
  2. Glaucoma (H40-H42)
  3. Glaucoma (H40)
  4. Primary angle-closure glaucoma (H40.2)
  5. Acute angle-closure glaucoma (H40.21)

Subcategories