G44.059 — Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable
Is G44.059 billable?
Yes — G44.059 is billable for FY2027. G44.059 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. G44.059 may be submitted for encounters from October 1, 2026 through September 30, 2027.
G44.059 at a glance
| Code | G44.059 |
|---|---|
| Description | Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT), not intractable |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does G44.059 group to?
G44.059 sits in MDC 01 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 102Headaches with MCCmedical
- 103Headaches without MCCmedical
How is G44.059 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to G44.059. They show the wording a clinician may have documented, which often differs from the Tabular description.
- SUNCT (short lasting unilateral neuralgiform headache with conjunctival injection and tearing)
- Headache › neuralgiform, short lasting unilateral, with conjunctival injection and tearing
- Headache › short lasting unilateral neuralgiform, with conjunctival injection and tearing
- SUNCT › not intractable (short lasting unilateral neuralgiform headache with conjunctival injection and tearing)
- Headache › neuralgiform, short lasting unilateral, with conjunctival injection and tearing › not intractable
- Headache › short lasting unilateral neuralgiform, with conjunctival injection and tearing › not intractable
Inclusion terms
Alternative wording in documentation that is classified to G44.059.
- Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT) NOS
Excludes1 — never code together — inherited from G44
The conditions below can never be reported together with G44.059 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- headache NOS (R51.9)
Excludes2 — not included here — inherited from Chapter 6
The conditions below are not part of G44.059, but a patient may have both at the same time. When documentation supports it, G44.059 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from G44
The conditions below are not part of G44.059, but a patient may have both at the same time. When documentation supports it, G44.059 and the excluded code may both be reported.
How long has G44.059 existed?
G44.059 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.