ICD-10 · PDGM grouping
G50-G59 — Nerve, nerve root and plexus disorders
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in range
106
No clinical group
26
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
80 of the 106 codes in G50-G59 group to Neuro Rehabilitation. A further 26 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in G50-G59
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- G50Disorders of trigeminal nerve4 codes
- G51Facial nerve disorders10 codes
- G52Disorders of other cranial nerves7 codes
- G53Cranial nerve disorders in diseases classified elsewhere1 code
- G54Nerve root and plexus disorders10 codes
- G55Nerve root and plexus compressions in diseases classified elsewhere1 code
- G56Mononeuropathies of upper limb28 codes
- G57Mononeuropathies of lower limb40 codes
- G58Other mononeuropathies4 codes
- G59Mononeuropathy in diseases classified elsewhere1 code
Every code in G50-G59
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| G500 | Trigeminal neuralgia | B | Can lead a claim |
| G501 | Atypical facial pain | B | Can lead a claim |
| G508 | Other disorders of trigeminal nerve | B | Can lead a claim |
| G509 | Disorder of trigeminal nerve, unspecified | B | Can lead a claim |
| G510 | Bell's palsy | B | Can lead a claim |
| G511 | Geniculate ganglionitis | B | Can lead a claim |
| G512 | Melkersson's syndrome | B | Can lead a claim |
| G5131 | Clonic hemifacial spasm, right | B | Can lead a claim |
| G5132 | Clonic hemifacial spasm, left | B | Can lead a claim |
| G5133 | Clonic hemifacial spasm, bilateral | B | Can lead a claim |
| G5139 | Clonic hemifacial spasm, unspecified | None | Cannot lead a claim |
| G514 | Facial myokymia | B | Can lead a claim |
| G518 | Other disorders of facial nerve | B | Can lead a claim |
| G519 | Disorder of facial nerve, unspecified | None | Cannot lead a claim |
| G520 | Disorders of olfactory nerve | B | Can lead a claim |
| G521 | Disorders of glossopharyngeal nerve | B | Can lead a claim |
| G522 | Disorders of vagus nerve | B | Can lead a claim |
| G523 | Disorders of hypoglossal nerve | B | Can lead a claim |
| G527 | Disorders of multiple cranial nerves | B | Can lead a claim |
| G528 | Disorders of other specified cranial nerves | B | Can lead a claim |
| G529 | Cranial nerve disorder, unspecified | None | Cannot lead a claim |
| G53 | Cranial nerve disorders in diseases classified elsewhere | None | Cannot lead a claim |
| G540 | Brachial plexus disorders | B | Can lead a claim |
| G541 | Lumbosacral plexus disorders | B | Can lead a claim |
| G542 | Cervical root disorders, not elsewhere classified | B | Can lead a claim |
| G543 | Thoracic root disorders, not elsewhere classified | B | Can lead a claim |
| G544 | Lumbosacral root disorders, not elsewhere classified | B | Can lead a claim |
| G545 | Neuralgic amyotrophy | B | Can lead a claim |
| G546 | Phantom limb syndrome with pain | B | Can lead a claim |
| G547 | Phantom limb syndrome without pain | B | Can lead a claim |
| G548 | Other nerve root and plexus disorders | B | Can lead a claim |
| G549 | Nerve root and plexus disorder, unspecified | None | Cannot lead a claim |
| G55 | Nerve root and plexus compressions in diseases classd elswhr | None | Cannot lead a claim |
| G5600 | Carpal tunnel syndrome, unspecified upper limb | None | Cannot lead a claim |
| G5601 | Carpal tunnel syndrome, right upper limb | B | Can lead a claim |
| G5602 | Carpal tunnel syndrome, left upper limb | B | Can lead a claim |
| G5603 | Carpal tunnel syndrome, bilateral upper limbs | B | Can lead a claim |
| G5610 | Other lesions of median nerve, unspecified upper limb | None | Cannot lead a claim |
| G5611 | Other lesions of median nerve, right upper limb | B | Can lead a claim |
| G5612 | Other lesions of median nerve, left upper limb | B | Can lead a claim |
| G5613 | Other lesions of median nerve, bilateral upper limbs | B | Can lead a claim |
| G5620 | Lesion of ulnar nerve, unspecified upper limb | None | Cannot lead a claim |
| G5621 | Lesion of ulnar nerve, right upper limb | B | Can lead a claim |
| G5622 | Lesion of ulnar nerve, left upper limb | B | Can lead a claim |
| G5623 | Lesion of ulnar nerve, bilateral upper limbs | B | Can lead a claim |
| G5630 | Lesion of radial nerve, unspecified upper limb | None | Cannot lead a claim |
| G5631 | Lesion of radial nerve, right upper limb | B | Can lead a claim |
| G5632 | Lesion of radial nerve, left upper limb | B | Can lead a claim |
| G5633 | Lesion of radial nerve, bilateral upper limbs | B | Can lead a claim |
| G5640 | Causalgia of unspecified upper limb | None | Cannot lead a claim |
| G5641 | Causalgia of right upper limb | B | Can lead a claim |
| G5642 | Causalgia of left upper limb | B | Can lead a claim |
| G5643 | Causalgia of bilateral upper limbs | B | Can lead a claim |
| G5680 | Other specified mononeuropathies of unspecified upper limb | None | Cannot lead a claim |
| G5681 | Other specified mononeuropathies of right upper limb | B | Can lead a claim |
| G5682 | Other specified mononeuropathies of left upper limb | B | Can lead a claim |
| G5683 | Other specified mononeuropathies of bilateral upper limbs | B | Can lead a claim |
| G5690 | Unspecified mononeuropathy of unspecified upper limb | None | Cannot lead a claim |
| G5691 | Unspecified mononeuropathy of right upper limb | B | Can lead a claim |
| G5692 | Unspecified mononeuropathy of left upper limb | B | Can lead a claim |
| G5693 | Unspecified mononeuropathy of bilateral upper limbs | B | Can lead a claim |
| G5700 | Lesion of sciatic nerve, unspecified lower limb | None | Cannot lead a claim |
| G5701 | Lesion of sciatic nerve, right lower limb | B | Can lead a claim |
| G5702 | Lesion of sciatic nerve, left lower limb | B | Can lead a claim |
| G5703 | Lesion of sciatic nerve, bilateral lower limbs | B | Can lead a claim |
| G5710 | Meralgia paresthetica, unspecified lower limb | None | Cannot lead a claim |
| G5711 | Meralgia paresthetica, right lower limb | B | Can lead a claim |
| G5712 | Meralgia paresthetica, left lower limb | B | Can lead a claim |
| G5713 | Meralgia paresthetica, bilateral lower limbs | B | Can lead a claim |
| G5720 | Lesion of femoral nerve, unspecified lower limb | None | Cannot lead a claim |
| G5721 | Lesion of femoral nerve, right lower limb | B | Can lead a claim |
| G5722 | Lesion of femoral nerve, left lower limb | B | Can lead a claim |
| G5723 | Lesion of femoral nerve, bilateral lower limbs | B | Can lead a claim |
| G5730 | Lesion of lateral popliteal nerve, unspecified lower limb | None | Cannot lead a claim |
| G5731 | Lesion of lateral popliteal nerve, right lower limb | B | Can lead a claim |
| G5732 | Lesion of lateral popliteal nerve, left lower limb | B | Can lead a claim |
| G5733 | Lesion of lateral popliteal nerve, bilateral lower limbs | B | Can lead a claim |
| G5740 | Lesion of medial popliteal nerve, unspecified lower limb | None | Cannot lead a claim |
| G5741 | Lesion of medial popliteal nerve, right lower limb | B | Can lead a claim |
| G5742 | Lesion of medial popliteal nerve, left lower limb | B | Can lead a claim |
| G5743 | Lesion of medial popliteal nerve, bilateral lower limbs | B | Can lead a claim |
| G5750 | Tarsal tunnel syndrome, unspecified lower limb | None | Cannot lead a claim |
| G5751 | Tarsal tunnel syndrome, right lower limb | B | Can lead a claim |
| G5752 | Tarsal tunnel syndrome, left lower limb | B | Can lead a claim |
| G5753 | Tarsal tunnel syndrome, bilateral lower limbs | B | Can lead a claim |
| G5760 | Lesion of plantar nerve, unspecified lower limb | None | Cannot lead a claim |
| G5761 | Lesion of plantar nerve, right lower limb | B | Can lead a claim |
| G5762 | Lesion of plantar nerve, left lower limb | B | Can lead a claim |
| G5763 | Lesion of plantar nerve, bilateral lower limbs | B | Can lead a claim |
| G5770 | Causalgia of unspecified lower limb | None | Cannot lead a claim |
| G5771 | Causalgia of right lower limb | B | Can lead a claim |
| G5772 | Causalgia of left lower limb | B | Can lead a claim |
| G5773 | Causalgia of bilateral lower limbs | B | Can lead a claim |
| G5780 | Other specified mononeuropathies of unspecified lower limb | None | Cannot lead a claim |
| G5781 | Other specified mononeuropathies of right lower limb | B | Can lead a claim |
| G5782 | Other specified mononeuropathies of left lower limb | B | Can lead a claim |
| G5783 | Other specified mononeuropathies of bilateral lower limbs | B | Can lead a claim |
| G5790 | Unspecified mononeuropathy of unspecified lower limb | None | Cannot lead a claim |
| G5791 | Unspecified mononeuropathy of right lower limb | B | Can lead a claim |
| G5792 | Unspecified mononeuropathy of left lower limb | B | Can lead a claim |
| G5793 | Unspecified mononeuropathy of bilateral lower limbs | B | Can lead a claim |
| G580 | Intercostal neuropathy | None | Cannot lead a claim |
| G587 | Mononeuritis multiplex | B | Can lead a claim |
| G588 | Other specified mononeuropathies | B | Can lead a claim |
| G589 | Mononeuropathy, unspecified | None | Cannot lead a claim |
| G59 | Mononeuropathy in diseases classified elsewhere | None | Cannot lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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