Q01Non-billableSave
Q01 - Encephalocele
ICD-10-CM Chapter 17: Congenital malformations, deformations and chromosomal abnormalities · Q00-Q07 Congenital malformations of the nervous system (Q00-Q07) · Top-level category · FY2027
Coding Guidance
Q01 is a non-billable heading. Report one of the 5 more specific codes below.
Includes, Excludes and Coding Notes
IncludesFrom Q01
Conditions this code covers.
- Arnold-Chiari syndrome, type III
- encephalocystocele
- encephalomyelocele
- hydroencephalocele
- hydromeningocele, cranial
- meningocele, cerebral
- meningoencephalocele
Excludes 1 — Not Coded HereFrom Q01
Mutually exclusive: these conditions are never reported together with this code.
- Meckel-Gruber syndrome (Q61.9)
Excludes 2 — Not Included HereFrom Chapter Q00-Q99
Not part of this code; report both codes when the patient has both conditions.
- inborn errors of metabolism (E70-E88)
NotesFrom Chapter Q00-Q99
Instructional notes from the ICD-10-CM tabular list.
- Codes from this chapter are not for use on maternal records
Chapter Information
Chapter 17: Congenital malformations, deformations and chromosomal abnormalities
Range: Q00-Q99
View full chapterRelated ICD-10 Codes
More specific codes for Q01
Other categories in this chapter
Codes at the same level as Q01
- Anencephaly and similar malformationsQ00
- MicrocephalyQ02
- Congenital hydrocephalusQ03
- Other congenital malformations of brainQ04
- Spina bifidaQ05
- Other congenital malformations of spinal cordQ06
- Other congenital malformations of nervous systemQ07
- Congenital malformations of eyelid, lacrimal apparatus and orbitQ10
- Anophthalmos, microphthalmos and macrophthalmosQ11
- Congenital lens malformationsQ12
- Congenital malformations of anterior segment of eyeQ13
- Congenital malformations of posterior segment of eyeQ14
- Other congenital malformations of eyeQ15
- Congenital malformations of ear causing impairment of hearingQ16
- Other congenital malformations of earQ17
- Other congenital malformations of face and neckQ18
- Congenital malformations of cardiac chambers and connectionsQ20
- Congenital malformations of cardiac septaQ21
- Congenital malformations of pulmonary and tricuspid valvesQ22
- Congenital malformations of aortic and mitral valvesQ23
- Other congenital malformations of heartQ24
- Congenital malformations of great arteriesQ25
- Congenital malformations of great veinsQ26
- Other congenital malformations of peripheral vascular systemQ27
- Other congenital malformations of circulatory systemQ28
- Congenital malformations of noseQ30
- Congenital malformations of larynxQ31
- Congenital malformations of trachea and bronchusQ32
- Congenital malformations of lungQ33
- Other congenital malformations of respiratory systemQ34
- Cleft palateQ35
- Cleft lipQ36
- Cleft palate with cleft lipQ37
- Other congenital malformations of tongue, mouth and pharynxQ38
- Congenital malformations of esophagusQ39
- Other congenital malformations of upper alimentary tractQ40
- Congenital absence, atresia and stenosis of small intestineQ41
- Congenital absence, atresia and stenosis of large intestineQ42
- Other congenital malformations of intestineQ43
- Congenital malformations of gallbladder, bile ducts and liverQ44
48 more in this chapter.