F06.70 — Mild neurocognitive disorder due to known physiological condition without behavioral disturbance
Is F06.70 billable?
Yes — F06.70 is billable for FY2027. F06.70 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. F06.70 may be submitted for encounters from October 1, 2026 through September 30, 2027.
F06.70 at a glance
| Code | F06.70 |
|---|---|
| Description | Mild neurocognitive disorder due to known physiological condition without behavioral disturbance |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to F06.70?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name F06.70 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does F06.70 group to?
F06.70 sits in MDC 19 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 884Organic Disturbances and Intellectual Disabilitymedical
How is F06.70 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to F06.70. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Disorder › mild neurocognitive › due to known physiological condition (of)
- Impaired, impairment › mild neurocognitive › due to known physiological condition (function)
Inclusion terms
Alternative wording in documentation that is classified to F06.70.
- Mild neurocognitive disorder due to known physiological condition, NOS
Excludes1 — never code together — inherited from F06
The conditions below can never be reported together with F06.70 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- unspecified dementia (F03.-)
Excludes1 — never code together — inherited from F06.7
The conditions below can never be reported together with F06.70 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- age related cognitive decline (R41.81)
- altered mental status (R41.82)
- cerebral degeneration (G31.9)
- change in mental status (R41.82)
- cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-I69.11-, I69.21-I69.31-, I69.81- I69.91-)
- dementia (F01.-, F02.-, F03.-)
- mild cognitive impairment due to unknown or unspecified etiology (G31.84)
- neurologic neglect syndrome (R41.4)
- personality change, nonpsychotic (F68.8)
Code first — inherited from F06
The underlying condition below must be sequenced before F06.70. F06.70 describes a manifestation and cannot be the principal or first-listed diagnosis.
- the underlying physiological condition
Code first — inherited from F06.7
The underlying condition below must be sequenced before F06.70. F06.70 describes a manifestation and cannot be the principal or first-listed diagnosis.
- the underlying physiological condition, such as:
- Alzheimer's disease (G30.-)
- human immunodeficiency virus [HIV] disease (B20)
- Huntington's disease (G10)
- Neurocognitive disorder with Lewy bodies (G31.83)
- other frontotemporal neurocognitive disorder (G31.09)
- Parkinson's disease (G20.-)
- systemic lupus erythematosus (M32.-)
- traumatic brain injury (S06.-)
- vitamin B deficiency (E53.-)
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F06.70, but a patient may have both at the same time. When documentation supports it, F06.70 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Excludes2 — not included here — inherited from F06
The conditions below are not part of F06.70, but a patient may have both at the same time. When documentation supports it, F06.70 and the excluded code may both be reported.
How long has F06.70 existed?
F06.70 first appears in FY2023.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.