Q07.8
Other specified congenital malformations of nervous system
Q07.8 (also written Q078) is a billable ICD-10-CM diagnosis code for other specified congenital malformations of nervous system. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 6 codes in category Q07 (Other congenital malformations of nervous system). The Alphabetic Index lists it under 26 entries. Its coding notes include 4 Excludes2 entries.
Guidelines tip
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (1 note)
- inborn errors of metabolism (E70-E88)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the Neuro Rehabilitation clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Inclusion terms
Conditions classified to this code.
- Agenesis of nerve
- Displacement of brachial plexus
- Jaw-winking syndrome
- Marcus Gunn's syndrome
Notes
Also from chapter/block level (1 note)
- Codes from this chapter are not for use on maternal records
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 26 entries
- Accessory (congenital), nervous system, part NEC
- Adhesions, adhesive (postinfective), meninges (cerebral) (spinal), congenital
- Agenesis, nerve
- Agenesis, nervous system, part NEC
- Agenesis, nuclear
- Anomaly, anomalous (congenital) (unspecified type), acoustic nerve
- Anomaly, anomalous (congenital) (unspecified type), choroid, plexus
- Anomaly, anomalous (congenital) (unspecified type), meningeal bands or folds, constriction of
- Anomaly, anomalous (congenital) (unspecified type), nerve, acoustic
- Anomaly, anomalous (congenital) (unspecified type), nerve, optic
- Anomaly, anomalous (congenital) (unspecified type), optic, nerve
- Anomaly, anomalous (congenital) (unspecified type), sense organs NEC
Show 14 more
- Anomaly, anomalous (congenital) (unspecified type), spine, spinal NEC, nerve root
- Deformity, choroid (congenital), plexus
- Displacement, displaced, brachial plexus (congenital)
- Distortion (s) (congenital), nerve
- Gunn's syndrome
- Jaw-winking phenomenon or syndrome
- Malformation (congenital), choroid (congenital), plexus
- Malformation (congenital), spinal, nerve root
- Malposition, congenital, brachial plexus
- Malposition, congenital, nerve
- Malposition, congenital, nervous system NEC
- Marcus Gunn's syndrome
- Phenomenon, jaw-winking
- Syndrome, jaw-winking