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Depression, Bipolar & Mood Disorders • ICD-10-CM F31.30

Bipolar disorder, current episode depressed, mild or moderate severity

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM F31.30 • 7 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Bipolar disorder, current episode depressed, mild or moderate severity Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

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What Is Bipolar disorder, current episode depressed, mild or moderate severity?

Recognized across U.S. clinical coding as F31.30 (Depression & Mood), Bipolar disorder, current episode depressed, mild or moderate severity is evaluated via validated longitudinal mood in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: rating scales (PHQ-9) to align day-to-day symptom relief with long-term physiological stability.

Pathophysiology, Underlying Causes & Clinical Presentation

Pathophysiologically, Bipolar disorder, current episode depressed, mild or moderate severity (ICD-10 F31.30) is driven by hypothalamic-pituitary-adrenal (HPA) axis in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: cortisol hyperactivity); specialists in Depression, Bipolar & Mood Disorders monitor Serum Vitamin D in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: & RBC Folate) to gauge tissue recovery.

Common Symptoms & Clinical Signs

  • • Presentation of Bipolar disorder, current episode depressed, mild or moderate severity (F31.30): persistent low mood, in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: emotional flatness, or)
  • • Secondary Bipolar disorder, current episode depressed, mild or moderate severity clinical sign: disrupted sleep architecture [Bipolar disorder, current episode depressed, mild or moderate severity F31.30]
  • • Symptom flares in Bipolar disorder, current episode depressed, mild or moderate severity correlating with TSH & Free in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: T4 Rule-Out) deviation outside TSH 0.8 – 2.5 mIU/L (F31.30)
  • • Functional depression & mood impact requiring validated longitudinal mood in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: rating scales (PHQ-9) evaluation (F31.30)

Bipolar disorder, current episode depressed, mild or moderate severity Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code F31.30 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Depression, Bipolar & Mood Disorders NLM Clinical Tables
Diagnostic / Lab Marker: TSH & Free in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: T4 Rule-Out) TSH 0.8 – 2.5 mIU/L (F31.30) Clinical Reference Target Range
Diagnostic / Lab Marker: Serum Vitamin D in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: & RBC Folate) 25(OH)D 40 – 65 ng/mL (F31.30) Clinical Reference Target Range
Diagnostic / Lab Marker: PHQ-9 Symptom Severity in Bipolar disorder, current episode depressed, mild or moderate severity (F31.30: Score) < 4 (clinical remission) (F31.30) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Bipolar disorder, current episode depressed, mild or moderate severity

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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Bipolar disorder, current episode depressed, mild or moderate severity)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Efficacy of Lumateperone in Patients With Bipolar Depression With Mixed: What a 376-Participant Study Found

Conclusions: Lumateperone 42 mg significantly improved symptoms of depression and disease severity in patients with an MDE associated with bipolar I or bipolar II disorder, with or without mixed features.

The Journal of clinical psychiatry • 2023-04-24 • Phase III Randomized Trial
N = 376 93/100 PMID 37103915 ↗
What the Latest Evidence Really Says About Efficacy of bupropion and the selective serotonin reuptake inhibitors in the

1.25+/-1.09, p=0.569), or HAM-A scores at endpoint (3.30+/-2.89 vs.

Journal of psychiatric research • 2008-01-15 • Meta-Analysis
Multi-cohort 92/100 PMID 17631898 ↗
Managing Depression: Can Sertraline on sleep architecture Make a Real Difference? (What New Research Reveals)

However, the generalizability of these findings is limited because of a number of reasons.

Journal of clinical psychopharmacology • 2003-12-15 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 14624183 ↗
Can This Approach Help? Inside the Latest Research on Relationship Between Cerebrovascular Risk, Cognition, and Treatment Outcome in

This study suggests an association of cerebrovascular risk, but not executive function or processing speed, with treatment outcome of major depression with psychotic features in older adults.

The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry • 2015-12-15 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 26560512 ↗
Can This Approach Help? Inside the Latest Research on Duration of Adjunctive Antidepressant Maintenance in Bipolar I

In a trial involving patients with bipolar I disorder and a recently remitted depressive episode, adjunctive treatment with escitalopram or bupropion XL that continued for 52 weeks did not show a significant benefit as...

The New England journal of medicine • 2023-08-03 • Randomized Controlled Trial
N = 90 88/100 PMID 37530824 ↗
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