H49.2

Sixth [abducent] nerve palsy

Non-billable header

H49.2 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from H49)

  • Note: Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from H49)
  • certain infectious and parasitic diseases (A00-B99) (from H49)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from H49)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from H49)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-) (from H49)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from H49)
  • injury (trauma) of eye and orbit (S05.-) (from H49)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from H49)
  • neoplasms (C00-D49) (from H49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from H49)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71) (from H49)
  • nystagmus and other irregular eye movements (H55) (from H49)
  • internal ophthalmoplegia (H52.51-) (from H49)
  • internuclear ophthalmoplegia (H51.2-) (from H49)
  • progressive supranuclear ophthalmoplegia (G23.1) (from H49)

Also known as

  • Strabismus, paralytic, abducens nerve
  • Strabismus, paralytic, sixth nerve

Parent code

  • H49Paralytic strabismusHeader

More specific codes H49.2

  • H49.20Sixth [abducent] nerve palsy, unspecified eyeBillable
  • H49.21Sixth [abducent] nerve palsy, right eyeBillable
  • H49.22Sixth [abducent] nerve palsy, left eyeBillable
  • H49.23Sixth [abducent] nerve palsy, bilateralBillable

Related codes

  • H49.0Third [oculomotor] nerve palsyHeader
  • H49.1Fourth [trochlear] nerve palsyHeader
  • H49.3Total (external) ophthalmoplegiaHeader
  • H49.4Progressive external ophthalmoplegiaHeader
  • H49.8Other paralytic strabismusHeader
  • H49.9Unspecified paralytic strabismusBillable

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