G83.1 – Monoplegia of lower limb

ICD-10-CM 2027 diagnosis code · Cerebral palsy and other paralytic syndromes

Non-billable header

ICD-10-CM code G83.1

Code: G83.1 (claims format: G831)
Description: Monoplegia of lower limb
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 6. Diseases of the nervous system (G00-G99)
Block: G80-G83 Cerebral palsy and other paralytic syndromes
Parent codes: G83

Billable codes under G83.1

G83.1 is a header code and cannot be used on claims. Choose the most specific code:

Notes for G83.1

Applicable to:

Paralysis of lower limb

Excludes1 (not coded here):

monoplegia of lower limbs due to sequela of cerebrovascular disease (I69.04-, I69.14-, I69.24-, I69.34-, I69.84-, I69.94-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

G83 – Other paralytic syndromes

Includes:

paralysis (complete) (incomplete), except as in G80-G82

Notes:

This category is to be used only when the listed conditions are reported without further specification, or are stated to be old or longstanding but of unspecified cause. The category is also for use in multiple coding to identify these conditions resulting from any cause.

Index terms for G83.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in G83

G83.0 – Diplegia of upper limbsBillable
G83.2 – Monoplegia of upper limbHeader
G83.3 – Monoplegia, unspecifiedHeader
G83.4 – Cauda equina syndromeBillable
G83.5 – Locked-in stateBillable
G83.8 – Other specified paralytic syndromesHeader
G83.9 – Paralytic syndrome, unspecifiedBillable

Frequently asked questions

What is ICD-10 code G83.1?

G83.1 is the ICD-10-CM code for monoplegia of lower limb, in the block G80-G83 (Cerebral palsy and other paralytic syndromes).

Is G83.1 a billable code?

No. G83.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does G83.1 belong to?

It belongs to category G83 – Other paralytic syndromes.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.